21722610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 65640960

約数和(自身を除く): 43918350

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 73, 78, 91, 105, 109, 130, 146, 182, 195, 210, 218, 219, 273, 327, 365, 390, 438, 455, 511, 545, 546, 654, 730, 763, 910, 949, 1022, 1090, 1095, 1365, 1417, 1526, 1533, 1635, 1898, 2190, 2289, 2555, 2730, 2834, 2847, 3066, 3270, 3815, 4251, 4578, 4745, 5110, 5694, 6643, 7085, 7630, 7665, 7957, 8502, 9490, 9919, 11445, 13286, 14170, 14235, 15330, 15914, 19838, 19929, 21255, 22890, 23871, 28470, 29757, 33215, 39785, 39858, 42510, 47742, 49595, 55699, 59514, 66430, 79570, 99190, 99645, 103441, 111398, 119355, 148785, 167097, 199290, 206882, 238710, 278495, 297570, 310323, 334194, 517205, 556990, 620646, 724087, 835485, 1034410, 1448174, 1551615, 1670970, 2172261, 3103230, 3620435, 4344522, 7240870, 10861305, 21722610]

約数ペア:

[(1, 21722610), (2, 10861305), (3, 7240870), (5, 4344522), (6, 3620435), (7, 3103230), (10, 2172261), (13, 1670970), (14, 1551615), (15, 1448174), (21, 1034410), (26, 835485), (30, 724087), (35, 620646), (39, 556990), (42, 517205), (65, 334194), (70, 310323), (73, 297570), (78, 278495), (91, 238710), (105, 206882), (109, 199290), (130, 167097), (146, 148785), (182, 119355), (195, 111398), (210, 103441), (218, 99645), (219, 99190), (273, 79570), (327, 66430), (365, 59514), (390, 55699), (438, 49595), (455, 47742), (511, 42510), (545, 39858), (546, 39785), (654, 33215), (730, 29757), (763, 28470), (910, 23871), (949, 22890), (1022, 21255), (1090, 19929), (1095, 19838), (1365, 15914), (1417, 15330), (1526, 14235), (1533, 14170), (1635, 13286), (1898, 11445), (2190, 9919), (2289, 9490), (2555, 8502), (2730, 7957), (2834, 7665), (2847, 7630), (3066, 7085), (3270, 6643), (3815, 5694), (4251, 5110), (4578, 4745)]