21931572165

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{31108613}}^1$

素因数の和:31108668

約数の個数: 16

約数和(自身を含む): 35837123328

約数和(自身を除く): 13905551163

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 31108613, 93325839, 155543065, 466629195, 1462104811, 4386314433, 7310524055, 21931572165]

約数ペア:

[(1, 21931572165), (3, 7310524055), (5, 4386314433), (15, 1462104811), (47, 466629195), (141, 155543065), (235, 93325839), (705, 31108613)]