21725070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1487}}^1$

素因数の和:1984

約数の個数: 32

約数和(自身を含む): 52282368

約数和(自身を除く): 30557298

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 487, 974, 1461, 1487, 2435, 2922, 2974, 4461, 4870, 7305, 7435, 8922, 14610, 14870, 22305, 44610, 724169, 1448338, 2172507, 3620845, 4345014, 7241690, 10862535, 21725070]

約数ペア:

[(1, 21725070), (2, 10862535), (3, 7241690), (5, 4345014), (6, 3620845), (10, 2172507), (15, 1448338), (30, 724169), (487, 44610), (974, 22305), (1461, 14870), (1487, 14610), (2435, 8922), (2922, 7435), (2974, 7305), (4461, 4870)]