21644580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3719}}^1$

素因数の和:3828

約数の個数: 48

約数和(自身を含む): 61246080

約数和(自身を除く): 39601500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 3719, 5820, 7438, 11157, 14876, 18595, 22314, 37190, 44628, 55785, 74380, 111570, 223140, 360743, 721486, 1082229, 1442972, 1803715, 2164458, 3607430, 4328916, 5411145, 7214860, 10822290, 21644580]

約数ペア:

[(1, 21644580), (2, 10822290), (3, 7214860), (4, 5411145), (5, 4328916), (6, 3607430), (10, 2164458), (12, 1803715), (15, 1442972), (20, 1082229), (30, 721486), (60, 360743), (97, 223140), (194, 111570), (291, 74380), (388, 55785), (485, 44628), (582, 37190), (970, 22314), (1164, 18595), (1455, 14876), (1940, 11157), (2910, 7438), (3719, 5820)]