21950013

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1607}}^1$

素因数の和:1796

約数の個数: 16

約数和(自身を含む): 30487680

約数和(自身を除く): 8537667

約数列:

[1, 3, 29, 87, 157, 471, 1607, 4553, 4821, 13659, 46603, 139809, 252299, 756897, 7316671, 21950013]

約数ペア:

[(1, 21950013), (3, 7316671), (29, 756897), (87, 252299), (157, 139809), (471, 46603), (1607, 13659), (4553, 4821)]