21563344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7207}}^1$

素因数の和:7243

約数の個数: 40

約数和(自身を含む): 48264768

約数和(自身を除く): 26701424

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 7207, 14414, 28828, 57656, 79277, 115312, 122519, 158554, 245038, 317108, 490076, 634216, 980152, 1268432, 1347709, 1960304, 2695418, 5390836, 10781672, 21563344]

約数ペア:

[(1, 21563344), (2, 10781672), (4, 5390836), (8, 2695418), (11, 1960304), (16, 1347709), (17, 1268432), (22, 980152), (34, 634216), (44, 490076), (68, 317108), (88, 245038), (136, 158554), (176, 122519), (187, 115312), (272, 79277), (374, 57656), (748, 28828), (1496, 14414), (2992, 7207)]