21563550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{15973}}^1$

素因数の和:15994

約数の個数: 48

約数和(自身を含む): 59423280

約数和(自身を除く): 37859730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 135, 150, 225, 270, 450, 675, 1350, 15973, 31946, 47919, 79865, 95838, 143757, 159730, 239595, 287514, 399325, 431271, 479190, 718785, 798650, 862542, 1197975, 1437570, 2156355, 2395950, 3593925, 4312710, 7187850, 10781775, 21563550]

約数ペア:

[(1, 21563550), (2, 10781775), (3, 7187850), (5, 4312710), (6, 3593925), (9, 2395950), (10, 2156355), (15, 1437570), (18, 1197975), (25, 862542), (27, 798650), (30, 718785), (45, 479190), (50, 431271), (54, 399325), (75, 287514), (90, 239595), (135, 159730), (150, 143757), (225, 95838), (270, 79865), (450, 47919), (675, 31946), (1350, 15973)]