21260640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44293}}^1$

素因数の和:44311

約数の個数: 48

約数和(自身を含む): 66972528

約数和(自身を除く): 45711888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44293, 88586, 132879, 177172, 221465, 265758, 354344, 442930, 531516, 664395, 708688, 885860, 1063032, 1328790, 1417376, 1771720, 2126064, 2657580, 3543440, 4252128, 5315160, 7086880, 10630320, 21260640]

約数ペア:

[(1, 21260640), (2, 10630320), (3, 7086880), (4, 5315160), (5, 4252128), (6, 3543440), (8, 2657580), (10, 2126064), (12, 1771720), (15, 1417376), (16, 1328790), (20, 1063032), (24, 885860), (30, 708688), (32, 664395), (40, 531516), (48, 442930), (60, 354344), (80, 265758), (96, 221465), (120, 177172), (160, 132879), (240, 88586), (480, 44293)]