21474500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1481}}^1$

素因数の和:1529

約数の個数: 48

約数和(自身を含む): 48550320

約数和(自身を除く): 27075820

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1450, 1481, 2900, 2962, 3625, 5924, 7250, 7405, 14500, 14810, 29620, 37025, 42949, 74050, 85898, 148100, 171796, 185125, 214745, 370250, 429490, 740500, 858980, 1073725, 2147450, 4294900, 5368625, 10737250, 21474500]

約数ペア:

[(1, 21474500), (2, 10737250), (4, 5368625), (5, 4294900), (10, 2147450), (20, 1073725), (25, 858980), (29, 740500), (50, 429490), (58, 370250), (100, 214745), (116, 185125), (125, 171796), (145, 148100), (250, 85898), (290, 74050), (500, 42949), (580, 37025), (725, 29620), (1450, 14810), (1481, 14500), (2900, 7405), (2962, 7250), (3625, 5924)]