21000985416

素因数分解:

$2^3\times 3^2\times {\mathrm{1951}}^1\times {\mathrm{149503}}^1$

素因数の和:151466

約数の個数: 48

約数和(自身を含む): 56907202560

約数和(自身を除く): 35906217144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1951, 3902, 5853, 7804, 11706, 15608, 17559, 23412, 35118, 46824, 70236, 140472, 149503, 299006, 448509, 598012, 897018, 1196024, 1345527, 1794036, 2691054, 3588072, 5382108, 10764216, 291680353, 583360706, 875041059, 1166721412, 1750082118, 2333442824, 2625123177, 3500164236, 5250246354, 7000328472, 10500492708, 21000985416]

約数ペア:

[(1, 21000985416), (2, 10500492708), (3, 7000328472), (4, 5250246354), (6, 3500164236), (8, 2625123177), (9, 2333442824), (12, 1750082118), (18, 1166721412), (24, 875041059), (36, 583360706), (72, 291680353), (1951, 10764216), (3902, 5382108), (5853, 3588072), (7804, 2691054), (11706, 1794036), (15608, 1345527), (17559, 1196024), (23412, 897018), (35118, 598012), (46824, 448509), (70236, 299006), (140472, 149503)]