21502044

素因数分解:

$2^2\times 3^3\times {\mathrm{89}}^1\times {\mathrm{2237}}^1$

素因数の和:2339

約数の個数: 48

約数和(自身を含む): 56397600

約数和(自身を除く): 34895556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 89, 108, 178, 267, 356, 534, 801, 1068, 1602, 2237, 2403, 3204, 4474, 4806, 6711, 8948, 9612, 13422, 20133, 26844, 40266, 60399, 80532, 120798, 199093, 241596, 398186, 597279, 796372, 1194558, 1791837, 2389116, 3583674, 5375511, 7167348, 10751022, 21502044]

約数ペア:

[(1, 21502044), (2, 10751022), (3, 7167348), (4, 5375511), (6, 3583674), (9, 2389116), (12, 1791837), (18, 1194558), (27, 796372), (36, 597279), (54, 398186), (89, 241596), (108, 199093), (178, 120798), (267, 80532), (356, 60399), (534, 40266), (801, 26844), (1068, 20133), (1602, 13422), (2237, 9612), (2403, 8948), (3204, 6711), (4474, 4806)]