21725430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4001}}^1$

素因数の和:4192

約数の個数: 32

約数和(自身を含む): 52442208

約数和(自身を除く): 30716778

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 181, 362, 543, 905, 1086, 1810, 2715, 4001, 5430, 8002, 12003, 20005, 24006, 40010, 60015, 120030, 724181, 1448362, 2172543, 3620905, 4345086, 7241810, 10862715, 21725430]

約数ペア:

[(1, 21725430), (2, 10862715), (3, 7241810), (5, 4345086), (6, 3620905), (10, 2172543), (15, 1448362), (30, 724181), (181, 120030), (362, 60015), (543, 40010), (905, 24006), (1086, 20005), (1810, 12003), (2715, 8002), (4001, 5430)]