21493189566

素因数分解:

$2^1\times 3^3\times {\mathrm{2887}}^1\times {\mathrm{137867}}^1$

素因数の和:140765

約数の個数: 32

約数和(自身を含む): 47779534080

約数和(自身を除く): 26286344514

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2887, 5774, 8661, 17322, 25983, 51966, 77949, 137867, 155898, 275734, 413601, 827202, 1240803, 2481606, 3722409, 7444818, 398022029, 796044058, 1194066087, 2388132174, 3582198261, 7164396522, 10746594783, 21493189566]

約数ペア:

[(1, 21493189566), (2, 10746594783), (3, 7164396522), (6, 3582198261), (9, 2388132174), (18, 1194066087), (27, 796044058), (54, 398022029), (2887, 7444818), (5774, 3722409), (8661, 2481606), (17322, 1240803), (25983, 827202), (51966, 413601), (77949, 275734), (137867, 155898)]