21910560

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6521}}^1$

素因数の和:6546

約数の個数: 96

約数和(自身を含む): 78890112

約数和(自身を除く): 56979552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6521, 13042, 19563, 26084, 32605, 39126, 45647, 52168, 65210, 78252, 91294, 97815, 104336, 130420, 136941, 156504, 182588, 195630, 208672, 228235, 260840, 273882, 313008, 365176, 391260, 456470, 521680, 547764, 626016, 684705, 730352, 782520, 912940, 1043360, 1095528, 1369410, 1460704, 1565040, 1825880, 2191056, 2738820, 3130080, 3651760, 4382112, 5477640, 7303520, 10955280, 21910560]

約数ペア:

[(1, 21910560), (2, 10955280), (3, 7303520), (4, 5477640), (5, 4382112), (6, 3651760), (7, 3130080), (8, 2738820), (10, 2191056), (12, 1825880), (14, 1565040), (15, 1460704), (16, 1369410), (20, 1095528), (21, 1043360), (24, 912940), (28, 782520), (30, 730352), (32, 684705), (35, 626016), (40, 547764), (42, 521680), (48, 456470), (56, 391260), (60, 365176), (70, 313008), (80, 273882), (84, 260840), (96, 228235), (105, 208672), (112, 195630), (120, 182588), (140, 156504), (160, 136941), (168, 130420), (210, 104336), (224, 97815), (240, 91294), (280, 78252), (336, 65210), (420, 52168), (480, 45647), (560, 39126), (672, 32605), (840, 26084), (1120, 19563), (1680, 13042), (3360, 6521)]