21935784

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 59552640

約数和(自身を除く): 37616856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 167, 312, 334, 421, 501, 668, 842, 1002, 1263, 1336, 1684, 2004, 2171, 2526, 3368, 4008, 4342, 5052, 5473, 6513, 8684, 10104, 10946, 13026, 16419, 17368, 21892, 26052, 32838, 43784, 52104, 65676, 70307, 131352, 140614, 210921, 281228, 421842, 562456, 843684, 913991, 1687368, 1827982, 2741973, 3655964, 5483946, 7311928, 10967892, 21935784]

約数ペア:

[(1, 21935784), (2, 10967892), (3, 7311928), (4, 5483946), (6, 3655964), (8, 2741973), (12, 1827982), (13, 1687368), (24, 913991), (26, 843684), (39, 562456), (52, 421842), (78, 281228), (104, 210921), (156, 140614), (167, 131352), (312, 70307), (334, 65676), (421, 52104), (501, 43784), (668, 32838), (842, 26052), (1002, 21892), (1263, 17368), (1336, 16419), (1684, 13026), (2004, 10946), (2171, 10104), (2526, 8684), (3368, 6513), (4008, 5473), (4342, 5052)]