21638772

素因数分解:

$2^2\times 3^3\times {\mathrm{191}}^1\times {\mathrm{1049}}^1$

素因数の和:1253

約数の個数: 48

約数和(自身を含む): 56448000

約数和(自身を除く): 34809228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 191, 382, 573, 764, 1049, 1146, 1719, 2098, 2292, 3147, 3438, 4196, 5157, 6294, 6876, 9441, 10314, 12588, 18882, 20628, 28323, 37764, 56646, 113292, 200359, 400718, 601077, 801436, 1202154, 1803231, 2404308, 3606462, 5409693, 7212924, 10819386, 21638772]

約数ペア:

[(1, 21638772), (2, 10819386), (3, 7212924), (4, 5409693), (6, 3606462), (9, 2404308), (12, 1803231), (18, 1202154), (27, 801436), (36, 601077), (54, 400718), (108, 200359), (191, 113292), (382, 56646), (573, 37764), (764, 28323), (1049, 20628), (1146, 18882), (1719, 12588), (2098, 10314), (2292, 9441), (3147, 6876), (3438, 6294), (4196, 5157)]