21689230

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 41041728

約数和(自身を除く): 19352498

約数列:

[1, 2, 5, 10, 23, 46, 115, 181, 230, 362, 521, 905, 1042, 1810, 2605, 4163, 5210, 8326, 11983, 20815, 23966, 41630, 59915, 94301, 119830, 188602, 471505, 943010, 2168923, 4337846, 10844615, 21689230]

約数ペア:

[(1, 21689230), (2, 10844615), (5, 4337846), (10, 2168923), (23, 943010), (46, 471505), (115, 188602), (181, 119830), (230, 94301), (362, 59915), (521, 41630), (905, 23966), (1042, 20815), (1810, 11983), (2605, 8326), (4163, 5210)]