21107340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:951

約数の個数: 72

約数和(自身を含む): 64537200

約数和(自身を除く): 43429860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 787, 894, 1341, 1490, 1574, 1788, 2235, 2361, 2682, 2980, 3148, 3935, 4470, 4722, 5364, 6705, 7083, 7870, 8940, 9444, 11805, 13410, 14166, 15740, 23610, 26820, 28332, 35415, 47220, 70830, 117263, 141660, 234526, 351789, 469052, 586315, 703578, 1055367, 1172630, 1407156, 1758945, 2110734, 2345260, 3517890, 4221468, 5276835, 7035780, 10553670, 21107340]

約数ペア:

[(1, 21107340), (2, 10553670), (3, 7035780), (4, 5276835), (5, 4221468), (6, 3517890), (9, 2345260), (10, 2110734), (12, 1758945), (15, 1407156), (18, 1172630), (20, 1055367), (30, 703578), (36, 586315), (45, 469052), (60, 351789), (90, 234526), (149, 141660), (180, 117263), (298, 70830), (447, 47220), (596, 35415), (745, 28332), (787, 26820), (894, 23610), (1341, 15740), (1490, 14166), (1574, 13410), (1788, 11805), (2235, 9444), (2361, 8940), (2682, 7870), (2980, 7083), (3148, 6705), (3935, 5364), (4470, 4722)]