21016935

素因数分解:

$3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1031}}^1$

素因数の和:1196

約数の個数: 32

約数和(自身を含む): 37647360

約数和(自身を除く): 16630425

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151, 453, 755, 1031, 1359, 2265, 3093, 4077, 5155, 6795, 9279, 15465, 20385, 27837, 46395, 139185, 155681, 467043, 778405, 1401129, 2335215, 4203387, 7005645, 21016935]

約数ペア:

[(1, 21016935), (3, 7005645), (5, 4203387), (9, 2335215), (15, 1401129), (27, 778405), (45, 467043), (135, 155681), (151, 139185), (453, 46395), (755, 27837), (1031, 20385), (1359, 15465), (2265, 9279), (3093, 6795), (4077, 5155)]