21678488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3533}}^1$

素因数の和:3611

約数の個数: 32

約数和(自身を含む): 44528400

約数和(自身を除く): 22849912

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 3068, 3533, 6136, 7066, 14132, 28264, 45929, 91858, 183716, 208447, 367432, 416894, 833788, 1667576, 2709811, 5419622, 10839244, 21678488]

約数ペア:

[(1, 21678488), (2, 10839244), (4, 5419622), (8, 2709811), (13, 1667576), (26, 833788), (52, 416894), (59, 367432), (104, 208447), (118, 183716), (236, 91858), (472, 45929), (767, 28264), (1534, 14132), (3068, 7066), (3533, 6136)]