21516730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5503}}^1$

素因数の和:5550

約数の個数: 32

約数和(自身を含む): 42799104

約数和(自身を除く): 21282374

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5503, 11006, 27515, 55030, 93551, 126569, 187102, 253138, 467755, 632845, 935510, 1265690, 2151673, 4303346, 10758365, 21516730]

約数ペア:

[(1, 21516730), (2, 10758365), (5, 4303346), (10, 2151673), (17, 1265690), (23, 935510), (34, 632845), (46, 467755), (85, 253138), (115, 187102), (170, 126569), (230, 93551), (391, 55030), (782, 27515), (1955, 11006), (3910, 5503)]