21098220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2459}}^1$

素因数の和:2495

約数の個数: 96

約数和(自身を含む): 69431040

約数和(自身を除く): 48332820

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2459, 2860, 4290, 4918, 7377, 8580, 9836, 12295, 14754, 24590, 27049, 29508, 31967, 36885, 49180, 54098, 63934, 73770, 81147, 95901, 108196, 127868, 135245, 147540, 159835, 162294, 191802, 270490, 319670, 324588, 351637, 383604, 405735, 479505, 540980, 639340, 703274, 811470, 959010, 1054911, 1406548, 1622940, 1758185, 1918020, 2109822, 3516370, 4219644, 5274555, 7032740, 10549110, 21098220]

約数ペア:

[(1, 21098220), (2, 10549110), (3, 7032740), (4, 5274555), (5, 4219644), (6, 3516370), (10, 2109822), (11, 1918020), (12, 1758185), (13, 1622940), (15, 1406548), (20, 1054911), (22, 959010), (26, 811470), (30, 703274), (33, 639340), (39, 540980), (44, 479505), (52, 405735), (55, 383604), (60, 351637), (65, 324588), (66, 319670), (78, 270490), (110, 191802), (130, 162294), (132, 159835), (143, 147540), (156, 135245), (165, 127868), (195, 108196), (220, 95901), (260, 81147), (286, 73770), (330, 63934), (390, 54098), (429, 49180), (572, 36885), (660, 31967), (715, 29508), (780, 27049), (858, 24590), (1430, 14754), (1716, 12295), (2145, 9836), (2459, 8580), (2860, 7377), (4290, 4918)]