21645450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{467}}^1$

素因数の和:588

約数の個数: 72

約数和(自身を含む): 58844448

約数和(自身を除く): 37198998

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 103, 150, 206, 225, 309, 450, 467, 515, 618, 927, 934, 1030, 1401, 1545, 1854, 2335, 2575, 2802, 3090, 4203, 4635, 4670, 5150, 7005, 7725, 8406, 9270, 11675, 14010, 15450, 21015, 23175, 23350, 35025, 42030, 46350, 48101, 70050, 96202, 105075, 144303, 210150, 240505, 288606, 432909, 481010, 721515, 865818, 1202525, 1443030, 2164545, 2405050, 3607575, 4329090, 7215150, 10822725, 21645450]

約数ペア:

[(1, 21645450), (2, 10822725), (3, 7215150), (5, 4329090), (6, 3607575), (9, 2405050), (10, 2164545), (15, 1443030), (18, 1202525), (25, 865818), (30, 721515), (45, 481010), (50, 432909), (75, 288606), (90, 240505), (103, 210150), (150, 144303), (206, 105075), (225, 96202), (309, 70050), (450, 48101), (467, 46350), (515, 42030), (618, 35025), (927, 23350), (934, 23175), (1030, 21015), (1401, 15450), (1545, 14010), (1854, 11675), (2335, 9270), (2575, 8406), (2802, 7725), (3090, 7005), (4203, 5150), (4635, 4670)]