21439560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3371}}^1$

素因数の和:3438

約数の個数: 64

約数和(自身を含む): 65551680

約数和(自身を除く): 44112120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 3371, 6360, 6742, 10113, 13484, 16855, 20226, 26968, 33710, 40452, 50565, 67420, 80904, 101130, 134840, 178663, 202260, 357326, 404520, 535989, 714652, 893315, 1071978, 1429304, 1786630, 2143956, 2679945, 3573260, 4287912, 5359890, 7146520, 10719780, 21439560]

約数ペア:

[(1, 21439560), (2, 10719780), (3, 7146520), (4, 5359890), (5, 4287912), (6, 3573260), (8, 2679945), (10, 2143956), (12, 1786630), (15, 1429304), (20, 1071978), (24, 893315), (30, 714652), (40, 535989), (53, 404520), (60, 357326), (106, 202260), (120, 178663), (159, 134840), (212, 101130), (265, 80904), (318, 67420), (424, 50565), (530, 40452), (636, 33710), (795, 26968), (1060, 20226), (1272, 16855), (1590, 13484), (2120, 10113), (3180, 6742), (3371, 6360)]