21099091920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{4637}}^1\times {\mathrm{18959}}^1$

素因数の和:23612

約数の個数: 80

約数和(自身を含む): 65424741120

約数和(自身を除く): 44325649200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 4637, 9274, 13911, 18548, 18959, 23185, 27822, 37096, 37918, 46370, 55644, 56877, 69555, 74192, 75836, 92740, 94795, 111288, 113754, 139110, 151672, 185480, 189590, 222576, 227508, 278220, 284385, 303344, 370960, 379180, 455016, 556440, 568770, 758360, 910032, 1112880, 1137540, 1516720, 2275080, 4550160, 87912883, 175825766, 263738649, 351651532, 439564415, 527477298, 703303064, 879128830, 1054954596, 1318693245, 1406606128, 1758257660, 2109909192, 2637386490, 3516515320, 4219818384, 5274772980, 7033030640, 10549545960, 21099091920]

約数ペア:

[(1, 21099091920), (2, 10549545960), (3, 7033030640), (4, 5274772980), (5, 4219818384), (6, 3516515320), (8, 2637386490), (10, 2109909192), (12, 1758257660), (15, 1406606128), (16, 1318693245), (20, 1054954596), (24, 879128830), (30, 703303064), (40, 527477298), (48, 439564415), (60, 351651532), (80, 263738649), (120, 175825766), (240, 87912883), (4637, 4550160), (9274, 2275080), (13911, 1516720), (18548, 1137540), (18959, 1112880), (23185, 910032), (27822, 758360), (37096, 568770), (37918, 556440), (46370, 455016), (55644, 379180), (56877, 370960), (69555, 303344), (74192, 284385), (75836, 278220), (92740, 227508), (94795, 222576), (111288, 189590), (113754, 185480), (139110, 151672)]