21165060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 72164736

約数和(自身を除く): 50999676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 313, 322, 345, 420, 460, 483, 490, 588, 626, 644, 690, 735, 805, 939, 966, 980, 1127, 1252, 1380, 1470, 1565, 1610, 1878, 1932, 2191, 2254, 2415, 2940, 3130, 3220, 3381, 3756, 4382, 4508, 4695, 4830, 5635, 6260, 6573, 6762, 7199, 8764, 9390, 9660, 10955, 11270, 13146, 13524, 14398, 15337, 16905, 18780, 21597, 21910, 22540, 26292, 28796, 30674, 32865, 33810, 35995, 43194, 43820, 46011, 50393, 61348, 65730, 67620, 71990, 76685, 86388, 92022, 100786, 107985, 131460, 143980, 151179, 153370, 184044, 201572, 215970, 230055, 251965, 302358, 306740, 352751, 431940, 460110, 503930, 604716, 705502, 755895, 920220, 1007860, 1058253, 1411004, 1511790, 1763755, 2116506, 3023580, 3527510, 4233012, 5291265, 7055020, 10582530, 21165060]

約数ペア:

[(1, 21165060), (2, 10582530), (3, 7055020), (4, 5291265), (5, 4233012), (6, 3527510), (7, 3023580), (10, 2116506), (12, 1763755), (14, 1511790), (15, 1411004), (20, 1058253), (21, 1007860), (23, 920220), (28, 755895), (30, 705502), (35, 604716), (42, 503930), (46, 460110), (49, 431940), (60, 352751), (69, 306740), (70, 302358), (84, 251965), (92, 230055), (98, 215970), (105, 201572), (115, 184044), (138, 153370), (140, 151179), (147, 143980), (161, 131460), (196, 107985), (210, 100786), (230, 92022), (245, 86388), (276, 76685), (294, 71990), (313, 67620), (322, 65730), (345, 61348), (420, 50393), (460, 46011), (483, 43820), (490, 43194), (588, 35995), (626, 33810), (644, 32865), (690, 30674), (735, 28796), (805, 26292), (939, 22540), (966, 21910), (980, 21597), (1127, 18780), (1252, 16905), (1380, 15337), (1470, 14398), (1565, 13524), (1610, 13146), (1878, 11270), (1932, 10955), (2191, 9660), (2254, 9390), (2415, 8764), (2940, 7199), (3130, 6762), (3220, 6573), (3381, 6260), (3756, 5635), (4382, 4830), (4508, 4695)]