21368853840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{392233}}^1$

素因数の和:392476

約数の個数: 80

約数和(自身を含む): 66535437888

約数和(自身を除く): 45166584048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 227, 240, 454, 681, 908, 1135, 1362, 1816, 2270, 2724, 3405, 3632, 4540, 5448, 6810, 9080, 10896, 13620, 18160, 27240, 54480, 392233, 784466, 1176699, 1568932, 1961165, 2353398, 3137864, 3922330, 4706796, 5883495, 6275728, 7844660, 9413592, 11766990, 15689320, 18827184, 23533980, 31378640, 47067960, 89036891, 94135920, 178073782, 267110673, 356147564, 445184455, 534221346, 712295128, 890368910, 1068442692, 1335553365, 1424590256, 1780737820, 2136885384, 2671106730, 3561475640, 4273770768, 5342213460, 7122951280, 10684426920, 21368853840]

約数ペア:

[(1, 21368853840), (2, 10684426920), (3, 7122951280), (4, 5342213460), (5, 4273770768), (6, 3561475640), (8, 2671106730), (10, 2136885384), (12, 1780737820), (15, 1424590256), (16, 1335553365), (20, 1068442692), (24, 890368910), (30, 712295128), (40, 534221346), (48, 445184455), (60, 356147564), (80, 267110673), (120, 178073782), (227, 94135920), (240, 89036891), (454, 47067960), (681, 31378640), (908, 23533980), (1135, 18827184), (1362, 15689320), (1816, 11766990), (2270, 9413592), (2724, 7844660), (3405, 6275728), (3632, 5883495), (4540, 4706796), (5448, 3922330), (6810, 3137864), (9080, 2353398), (10896, 1961165), (13620, 1568932), (18160, 1176699), (27240, 784466), (54480, 392233)]