21583560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1373}}^1$

素因数の和:1518

約数の個数: 64

約数和(自身を含む): 65292480

約数和(自身を除く): 43708920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1373, 1572, 1965, 2620, 2746, 3144, 3930, 4119, 5240, 5492, 6865, 7860, 8238, 10984, 13730, 15720, 16476, 20595, 27460, 32952, 41190, 54920, 82380, 164760, 179863, 359726, 539589, 719452, 899315, 1079178, 1438904, 1798630, 2158356, 2697945, 3597260, 4316712, 5395890, 7194520, 10791780, 21583560]

約数ペア:

[(1, 21583560), (2, 10791780), (3, 7194520), (4, 5395890), (5, 4316712), (6, 3597260), (8, 2697945), (10, 2158356), (12, 1798630), (15, 1438904), (20, 1079178), (24, 899315), (30, 719452), (40, 539589), (60, 359726), (120, 179863), (131, 164760), (262, 82380), (393, 54920), (524, 41190), (655, 32952), (786, 27460), (1048, 20595), (1310, 16476), (1373, 15720), (1572, 13730), (1965, 10984), (2620, 8238), (2746, 7860), (3144, 6865), (3930, 5492), (4119, 5240)]