21337030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 46303488

約数和(自身を除く): 24966458

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 43, 55, 65, 86, 110, 130, 143, 215, 286, 347, 430, 473, 559, 694, 715, 946, 1118, 1430, 1735, 2365, 2795, 3470, 3817, 4511, 4730, 5590, 6149, 7634, 9022, 12298, 14921, 19085, 22555, 29842, 30745, 38170, 45110, 49621, 61490, 74605, 99242, 149210, 164131, 193973, 248105, 328262, 387946, 496210, 820655, 969865, 1641310, 1939730, 2133703, 4267406, 10668515, 21337030]

約数ペア:

[(1, 21337030), (2, 10668515), (5, 4267406), (10, 2133703), (11, 1939730), (13, 1641310), (22, 969865), (26, 820655), (43, 496210), (55, 387946), (65, 328262), (86, 248105), (110, 193973), (130, 164131), (143, 149210), (215, 99242), (286, 74605), (347, 61490), (430, 49621), (473, 45110), (559, 38170), (694, 30745), (715, 29842), (946, 22555), (1118, 19085), (1430, 14921), (1735, 12298), (2365, 9022), (2795, 7634), (3470, 6149), (3817, 5590), (4511, 4730)]