21794994

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 80

約数和(自身を含む): 53665920

約数和(自身を除く): 31870926

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 79, 81, 117, 131, 158, 162, 234, 237, 262, 351, 393, 474, 702, 711, 786, 1027, 1053, 1179, 1422, 1703, 2054, 2106, 2133, 2358, 3081, 3406, 3537, 4266, 5109, 6162, 6399, 7074, 9243, 10218, 10349, 10611, 12798, 15327, 18486, 20698, 21222, 27729, 30654, 31047, 45981, 55458, 62094, 83187, 91962, 93141, 134537, 137943, 166374, 186282, 269074, 275886, 279423, 403611, 558846, 807222, 838269, 1210833, 1676538, 2421666, 3632499, 7264998, 10897497, 21794994]

約数ペア:

[(1, 21794994), (2, 10897497), (3, 7264998), (6, 3632499), (9, 2421666), (13, 1676538), (18, 1210833), (26, 838269), (27, 807222), (39, 558846), (54, 403611), (78, 279423), (79, 275886), (81, 269074), (117, 186282), (131, 166374), (158, 137943), (162, 134537), (234, 93141), (237, 91962), (262, 83187), (351, 62094), (393, 55458), (474, 45981), (702, 31047), (711, 30654), (786, 27729), (1027, 21222), (1053, 20698), (1179, 18486), (1422, 15327), (1703, 12798), (2054, 10611), (2106, 10349), (2133, 10218), (2358, 9243), (3081, 7074), (3406, 6399), (3537, 6162), (4266, 5109)]