21158130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1901}}^1$

素因数の和:1971

約数の個数: 64

約数和(自身を含む): 59159808

約数和(自身を除く): 38001678

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 105, 106, 159, 210, 265, 318, 371, 530, 742, 795, 1113, 1590, 1855, 1901, 2226, 3710, 3802, 5565, 5703, 9505, 11130, 11406, 13307, 19010, 26614, 28515, 39921, 57030, 66535, 79842, 100753, 133070, 199605, 201506, 302259, 399210, 503765, 604518, 705271, 1007530, 1410542, 1511295, 2115813, 3022590, 3526355, 4231626, 7052710, 10579065, 21158130]

約数ペア:

[(1, 21158130), (2, 10579065), (3, 7052710), (5, 4231626), (6, 3526355), (7, 3022590), (10, 2115813), (14, 1511295), (15, 1410542), (21, 1007530), (30, 705271), (35, 604518), (42, 503765), (53, 399210), (70, 302259), (105, 201506), (106, 199605), (159, 133070), (210, 100753), (265, 79842), (318, 66535), (371, 57030), (530, 39921), (742, 28515), (795, 26614), (1113, 19010), (1590, 13307), (1855, 11406), (1901, 11130), (2226, 9505), (3710, 5703), (3802, 5565)]