20210424

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 54848640

約数和(自身を除く): 34638216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 211, 307, 312, 422, 614, 633, 844, 921, 1228, 1266, 1688, 1842, 2456, 2532, 2743, 3684, 3991, 5064, 5486, 7368, 7982, 8229, 10972, 11973, 15964, 16458, 21944, 23946, 31928, 32916, 47892, 64777, 65832, 95784, 129554, 194331, 259108, 388662, 518216, 777324, 842101, 1554648, 1684202, 2526303, 3368404, 5052606, 6736808, 10105212, 20210424]

約数ペア:

[(1, 20210424), (2, 10105212), (3, 6736808), (4, 5052606), (6, 3368404), (8, 2526303), (12, 1684202), (13, 1554648), (24, 842101), (26, 777324), (39, 518216), (52, 388662), (78, 259108), (104, 194331), (156, 129554), (211, 95784), (307, 65832), (312, 64777), (422, 47892), (614, 32916), (633, 31928), (844, 23946), (921, 21944), (1228, 16458), (1266, 15964), (1688, 11973), (1842, 10972), (2456, 8229), (2532, 7982), (2743, 7368), (3684, 5486), (3991, 5064)]