21190402980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{6659}}^1$

素因数の和:6831

約数の個数: 192

約数和(自身を含む): 67669862400

約数和(自身を除く): 46479459420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 83, 90, 108, 135, 142, 166, 180, 213, 249, 270, 284, 332, 355, 415, 426, 498, 540, 639, 710, 747, 830, 852, 996, 1065, 1245, 1278, 1420, 1494, 1660, 1917, 2130, 2241, 2490, 2556, 2988, 3195, 3735, 3834, 4260, 4482, 4980, 5893, 6390, 6659, 7470, 7668, 8964, 9585, 11205, 11786, 12780, 13318, 14940, 17679, 19170, 19977, 22410, 23572, 26636, 29465, 33295, 35358, 38340, 39954, 44820, 53037, 58930, 59931, 66590, 70716, 79908, 88395, 99885, 106074, 117860, 119862, 133180, 159111, 176790, 179793, 199770, 212148, 239724, 265185, 299655, 318222, 353580, 359586, 399540, 472789, 530370, 552697, 599310, 636444, 719172, 795555, 898965, 945578, 1060740, 1105394, 1198620, 1418367, 1591110, 1658091, 1797930, 1891156, 2210788, 2363945, 2763485, 2836734, 3182220, 3316182, 3595860, 4255101, 4727890, 4974273, 5526970, 5673468, 6632364, 7091835, 8290455, 8510202, 9455780, 9948546, 11053940, 12765303, 14183670, 14922819, 16580910, 17020404, 19897092, 21275505, 24871365, 25530606, 28367340, 29845638, 33161820, 39241487, 42551010, 49742730, 51061212, 59691276, 63826515, 74614095, 78482974, 85102020, 99485460, 117724461, 127653030, 149228190, 156965948, 196207435, 235448922, 255306060, 298456380, 353173383, 392414870, 470897844, 588622305, 706346766, 784829740, 1059520149, 1177244610, 1412693532, 1765866915, 2119040298, 2354489220, 3531733830, 4238080596, 5297600745, 7063467660, 10595201490, 21190402980]

約数ペア:

[(1, 21190402980), (2, 10595201490), (3, 7063467660), (4, 5297600745), (5, 4238080596), (6, 3531733830), (9, 2354489220), (10, 2119040298), (12, 1765866915), (15, 1412693532), (18, 1177244610), (20, 1059520149), (27, 784829740), (30, 706346766), (36, 588622305), (45, 470897844), (54, 392414870), (60, 353173383), (71, 298456380), (83, 255306060), (90, 235448922), (108, 196207435), (135, 156965948), (142, 149228190), (166, 127653030), (180, 117724461), (213, 99485460), (249, 85102020), (270, 78482974), (284, 74614095), (332, 63826515), (355, 59691276), (415, 51061212), (426, 49742730), (498, 42551010), (540, 39241487), (639, 33161820), (710, 29845638), (747, 28367340), (830, 25530606), (852, 24871365), (996, 21275505), (1065, 19897092), (1245, 17020404), (1278, 16580910), (1420, 14922819), (1494, 14183670), (1660, 12765303), (1917, 11053940), (2130, 9948546), (2241, 9455780), (2490, 8510202), (2556, 8290455), (2988, 7091835), (3195, 6632364), (3735, 5673468), (3834, 5526970), (4260, 4974273), (4482, 4727890), (4980, 4255101), (5893, 3595860), (6390, 3316182), (6659, 3182220), (7470, 2836734), (7668, 2763485), (8964, 2363945), (9585, 2210788), (11205, 1891156), (11786, 1797930), (12780, 1658091), (13318, 1591110), (14940, 1418367), (17679, 1198620), (19170, 1105394), (19977, 1060740), (22410, 945578), (23572, 898965), (26636, 795555), (29465, 719172), (33295, 636444), (35358, 599310), (38340, 552697), (39954, 530370), (44820, 472789), (53037, 399540), (58930, 359586), (59931, 353580), (66590, 318222), (70716, 299655), (79908, 265185), (88395, 239724), (99885, 212148), (106074, 199770), (117860, 179793), (119862, 176790), (133180, 159111)]