21729710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{94477}}^1$

素因数の和:94507

約数の個数: 16

約数和(自身を含む): 40814496

約数和(自身を除く): 19084786

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 94477, 188954, 472385, 944770, 2172971, 4345942, 10864855, 21729710]

約数ペア:

[(1, 21729710), (2, 10864855), (5, 4345942), (10, 2172971), (23, 944770), (46, 472385), (115, 188954), (230, 94477)]