21167139154

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1\times {\mathrm{2003}}^1$

素因数の和:2959

約数の個数: 64

約数和(自身を含む): 38950834176

約数和(自身を除く): 17783695022

約数列:

[1, 2, 7, 14, 23, 37, 46, 74, 161, 259, 322, 518, 851, 887, 1702, 1774, 2003, 4006, 5957, 6209, 11914, 12418, 14021, 20401, 28042, 32819, 40802, 46069, 65638, 74111, 92138, 142807, 148222, 229733, 285614, 322483, 459466, 518777, 644966, 754837, 1037554, 1509674, 1704553, 1776661, 3409106, 3553322, 5283859, 10567718, 11931871, 12436627, 23863742, 24873254, 40863203, 65736457, 81726406, 131472914, 286042421, 460155199, 572084842, 920310398, 1511938511, 3023877022, 10583569577, 21167139154]

約数ペア:

[(1, 21167139154), (2, 10583569577), (7, 3023877022), (14, 1511938511), (23, 920310398), (37, 572084842), (46, 460155199), (74, 286042421), (161, 131472914), (259, 81726406), (322, 65736457), (518, 40863203), (851, 24873254), (887, 23863742), (1702, 12436627), (1774, 11931871), (2003, 10567718), (4006, 5283859), (5957, 3553322), (6209, 3409106), (11914, 1776661), (12418, 1704553), (14021, 1509674), (20401, 1037554), (28042, 754837), (32819, 644966), (40802, 518777), (46069, 459466), (65638, 322483), (74111, 285614), (92138, 229733), (142807, 148222)]