21813330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 192

約数和(自身を含む): 70917120

約数和(自身を除く): 49103790

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 19, 21, 22, 30, 33, 35, 38, 42, 49, 55, 57, 66, 70, 71, 77, 95, 98, 105, 110, 114, 133, 142, 147, 154, 165, 190, 209, 210, 213, 231, 245, 266, 285, 294, 330, 355, 385, 399, 418, 426, 462, 490, 497, 539, 570, 627, 665, 710, 735, 770, 781, 798, 931, 994, 1045, 1065, 1078, 1155, 1254, 1330, 1349, 1463, 1470, 1491, 1562, 1617, 1862, 1995, 2090, 2130, 2310, 2343, 2485, 2695, 2698, 2793, 2926, 2982, 3135, 3234, 3479, 3905, 3990, 4047, 4389, 4655, 4686, 4970, 5390, 5467, 5586, 6270, 6745, 6958, 7315, 7455, 7810, 8085, 8094, 8778, 9310, 9443, 10241, 10437, 10934, 11715, 13490, 13965, 14630, 14839, 14910, 16170, 16401, 17395, 18886, 20235, 20482, 20874, 21945, 23430, 27335, 27930, 28329, 29678, 30723, 32802, 34790, 38269, 40470, 43890, 44517, 47215, 51205, 52185, 54670, 56658, 61446, 66101, 74195, 76538, 82005, 89034, 94430, 102410, 103873, 104370, 114807, 132202, 141645, 148390, 153615, 164010, 191345, 198303, 207746, 222585, 229614, 283290, 307230, 311619, 330505, 382690, 396606, 445170, 519365, 574035, 623238, 661010, 727111, 991515, 1038730, 1148070, 1454222, 1558095, 1983030, 2181333, 3116190, 3635555, 4362666, 7271110, 10906665, 21813330]

約数ペア:

[(1, 21813330), (2, 10906665), (3, 7271110), (5, 4362666), (6, 3635555), (7, 3116190), (10, 2181333), (11, 1983030), (14, 1558095), (15, 1454222), (19, 1148070), (21, 1038730), (22, 991515), (30, 727111), (33, 661010), (35, 623238), (38, 574035), (42, 519365), (49, 445170), (55, 396606), (57, 382690), (66, 330505), (70, 311619), (71, 307230), (77, 283290), (95, 229614), (98, 222585), (105, 207746), (110, 198303), (114, 191345), (133, 164010), (142, 153615), (147, 148390), (154, 141645), (165, 132202), (190, 114807), (209, 104370), (210, 103873), (213, 102410), (231, 94430), (245, 89034), (266, 82005), (285, 76538), (294, 74195), (330, 66101), (355, 61446), (385, 56658), (399, 54670), (418, 52185), (426, 51205), (462, 47215), (490, 44517), (497, 43890), (539, 40470), (570, 38269), (627, 34790), (665, 32802), (710, 30723), (735, 29678), (770, 28329), (781, 27930), (798, 27335), (931, 23430), (994, 21945), (1045, 20874), (1065, 20482), (1078, 20235), (1155, 18886), (1254, 17395), (1330, 16401), (1349, 16170), (1463, 14910), (1470, 14839), (1491, 14630), (1562, 13965), (1617, 13490), (1862, 11715), (1995, 10934), (2090, 10437), (2130, 10241), (2310, 9443), (2343, 9310), (2485, 8778), (2695, 8094), (2698, 8085), (2793, 7810), (2926, 7455), (2982, 7315), (3135, 6958), (3234, 6745), (3479, 6270), (3905, 5586), (3990, 5467), (4047, 5390), (4389, 4970), (4655, 4686)]