21965014747

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 26378884224

約数和(自身を除く): 4413869477

約数列:

[1, 13, 17, 41, 67, 97, 221, 373, 533, 697, 871, 1139, 1261, 1649, 2747, 3977, 4849, 6341, 6499, 9061, 14807, 15293, 21437, 24991, 35711, 36181, 46699, 51701, 67609, 82433, 84487, 110483, 198809, 259981, 266459, 324883, 424847, 470353, 607087, 615077, 878917, 1024631, 1436279, 1483421, 2424127, 3379753, 3463967, 4529803, 5523011, 7996001, 13320203, 17418727, 19284473, 25218157, 31513651, 41210159, 58887439, 99389207, 226443451, 327836041, 535732067, 1292059691, 1689616519, 21965014747]

約数ペア:

[(1, 21965014747), (13, 1689616519), (17, 1292059691), (41, 535732067), (67, 327836041), (97, 226443451), (221, 99389207), (373, 58887439), (533, 41210159), (697, 31513651), (871, 25218157), (1139, 19284473), (1261, 17418727), (1649, 13320203), (2747, 7996001), (3977, 5523011), (4849, 4529803), (6341, 3463967), (6499, 3379753), (9061, 2424127), (14807, 1483421), (15293, 1436279), (21437, 1024631), (24991, 878917), (35711, 615077), (36181, 607087), (46699, 470353), (51701, 424847), (67609, 324883), (82433, 266459), (84487, 259981), (110483, 198809)]