21660750

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{3209}}^1$

素因数の和:3235

約数の個数: 64

約数和(自身を含む): 60091200

約数和(自身を除く): 38430450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 135, 150, 225, 250, 270, 375, 450, 675, 750, 1125, 1350, 2250, 3209, 3375, 6418, 6750, 9627, 16045, 19254, 28881, 32090, 48135, 57762, 80225, 86643, 96270, 144405, 160450, 173286, 240675, 288810, 401125, 433215, 481350, 722025, 802250, 866430, 1203375, 1444050, 2166075, 2406750, 3610125, 4332150, 7220250, 10830375, 21660750]

約数ペア:

[(1, 21660750), (2, 10830375), (3, 7220250), (5, 4332150), (6, 3610125), (9, 2406750), (10, 2166075), (15, 1444050), (18, 1203375), (25, 866430), (27, 802250), (30, 722025), (45, 481350), (50, 433215), (54, 401125), (75, 288810), (90, 240675), (125, 173286), (135, 160450), (150, 144405), (225, 96270), (250, 86643), (270, 80225), (375, 57762), (450, 48135), (675, 32090), (750, 28881), (1125, 19254), (1350, 16045), (2250, 9627), (3209, 6750), (3375, 6418)]