21167763660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{72547}}^1$

素因数の和:74183

約数の個数: 72

約数和(自身を含む): 64249379376

約数和(自身を除く): 43081615716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1621, 3242, 4863, 6484, 8105, 9726, 14589, 16210, 19452, 24315, 29178, 32420, 48630, 58356, 72547, 72945, 97260, 145094, 145890, 217641, 290188, 291780, 362735, 435282, 652923, 725470, 870564, 1088205, 1305846, 1450940, 2176410, 2611692, 3264615, 4352820, 6529230, 13058460, 117598687, 235197374, 352796061, 470394748, 587993435, 705592122, 1058388183, 1175986870, 1411184244, 1763980305, 2116776366, 2351973740, 3527960610, 4233552732, 5291940915, 7055921220, 10583881830, 21167763660]

約数ペア:

[(1, 21167763660), (2, 10583881830), (3, 7055921220), (4, 5291940915), (5, 4233552732), (6, 3527960610), (9, 2351973740), (10, 2116776366), (12, 1763980305), (15, 1411184244), (18, 1175986870), (20, 1058388183), (30, 705592122), (36, 587993435), (45, 470394748), (60, 352796061), (90, 235197374), (180, 117598687), (1621, 13058460), (3242, 6529230), (4863, 4352820), (6484, 3264615), (8105, 2611692), (9726, 2176410), (14589, 1450940), (16210, 1305846), (19452, 1088205), (24315, 870564), (29178, 725470), (32420, 652923), (48630, 435282), (58356, 362735), (72547, 291780), (72945, 290188), (97260, 217641), (145094, 145890)]