21288696

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6203}}^1$

素因数の和:6236

約数の個数: 64

約数和(自身を含む): 62536320

約数和(自身を除く): 41247624

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 286, 312, 429, 572, 858, 1144, 1716, 3432, 6203, 12406, 18609, 24812, 37218, 49624, 68233, 74436, 80639, 136466, 148872, 161278, 204699, 241917, 272932, 322556, 409398, 483834, 545864, 645112, 818796, 887029, 967668, 1637592, 1774058, 1935336, 2661087, 3548116, 5322174, 7096232, 10644348, 21288696]

約数ペア:

[(1, 21288696), (2, 10644348), (3, 7096232), (4, 5322174), (6, 3548116), (8, 2661087), (11, 1935336), (12, 1774058), (13, 1637592), (22, 967668), (24, 887029), (26, 818796), (33, 645112), (39, 545864), (44, 483834), (52, 409398), (66, 322556), (78, 272932), (88, 241917), (104, 204699), (132, 161278), (143, 148872), (156, 136466), (264, 80639), (286, 74436), (312, 68233), (429, 49624), (572, 37218), (858, 24812), (1144, 18609), (1716, 12406), (3432, 6203)]