21890682

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 53654400

約数和(自身を除く): 31763718

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 137, 198, 269, 274, 297, 411, 538, 594, 807, 822, 1233, 1507, 1614, 2421, 2466, 2959, 3014, 3699, 4521, 4842, 5918, 7263, 7398, 8877, 9042, 13563, 14526, 17754, 26631, 27126, 36853, 40689, 53262, 73706, 79893, 81378, 110559, 159786, 221118, 331677, 405383, 663354, 810766, 995031, 1216149, 1990062, 2432298, 3648447, 7296894, 10945341, 21890682]

約数ペア:

[(1, 21890682), (2, 10945341), (3, 7296894), (6, 3648447), (9, 2432298), (11, 1990062), (18, 1216149), (22, 995031), (27, 810766), (33, 663354), (54, 405383), (66, 331677), (99, 221118), (137, 159786), (198, 110559), (269, 81378), (274, 79893), (297, 73706), (411, 53262), (538, 40689), (594, 36853), (807, 27126), (822, 26631), (1233, 17754), (1507, 14526), (1614, 13563), (2421, 9042), (2466, 8877), (2959, 7398), (3014, 7263), (3699, 5918), (4521, 4842)]