21619668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1579}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 58042880

約数和(自身を除く): 36423212

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 163, 326, 489, 652, 978, 1141, 1579, 1956, 2282, 3158, 3423, 4564, 4737, 6316, 6846, 9474, 11053, 13692, 18948, 22106, 33159, 44212, 66318, 132636, 257377, 514754, 772131, 1029508, 1544262, 1801639, 3088524, 3603278, 5404917, 7206556, 10809834, 21619668]

約数ペア:

[(1, 21619668), (2, 10809834), (3, 7206556), (4, 5404917), (6, 3603278), (7, 3088524), (12, 1801639), (14, 1544262), (21, 1029508), (28, 772131), (42, 514754), (84, 257377), (163, 132636), (326, 66318), (489, 44212), (652, 33159), (978, 22106), (1141, 18948), (1579, 13692), (1956, 11053), (2282, 9474), (3158, 6846), (3423, 6316), (4564, 4737)]