21000851928

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{29573}}^1$

素因数の和:31001

約数の個数: 96

約数和(自身を含む): 65050970400

約数和(自身を除く): 44050118472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 1409, 2818, 4227, 5636, 8454, 9863, 11272, 12681, 16908, 19726, 25362, 29573, 29589, 33816, 39452, 50724, 59146, 59178, 78904, 88719, 88767, 101448, 118292, 118356, 177438, 177534, 207011, 236584, 236712, 266157, 354876, 355068, 414022, 532314, 621033, 709752, 710136, 828044, 1064628, 1242066, 1656088, 1863099, 2129256, 2484132, 3726198, 4968264, 7452396, 14904792, 41668357, 83336714, 125005071, 166673428, 250010142, 291678499, 333346856, 375015213, 500020284, 583356998, 750030426, 875035497, 1000040568, 1166713996, 1500060852, 1750070994, 2333427992, 2625106491, 3000121704, 3500141988, 5250212982, 7000283976, 10500425964, 21000851928]

約数ペア:

[(1, 21000851928), (2, 10500425964), (3, 7000283976), (4, 5250212982), (6, 3500141988), (7, 3000121704), (8, 2625106491), (9, 2333427992), (12, 1750070994), (14, 1500060852), (18, 1166713996), (21, 1000040568), (24, 875035497), (28, 750030426), (36, 583356998), (42, 500020284), (56, 375015213), (63, 333346856), (72, 291678499), (84, 250010142), (126, 166673428), (168, 125005071), (252, 83336714), (504, 41668357), (1409, 14904792), (2818, 7452396), (4227, 4968264), (5636, 3726198), (8454, 2484132), (9863, 2129256), (11272, 1863099), (12681, 1656088), (16908, 1242066), (19726, 1064628), (25362, 828044), (29573, 710136), (29589, 709752), (33816, 621033), (39452, 532314), (50724, 414022), (59146, 355068), (59178, 354876), (78904, 266157), (88719, 236712), (88767, 236584), (101448, 207011), (118292, 177534), (118356, 177438)]