21354774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2939}}^1$

素因数の和:3124

約数の個数: 32

約数和(自身を含む): 49109760

約数和(自身を除く): 27754986

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 173, 346, 519, 1038, 1211, 2422, 2939, 3633, 5878, 7266, 8817, 17634, 20573, 41146, 61719, 123438, 508447, 1016894, 1525341, 3050682, 3559129, 7118258, 10677387, 21354774]

約数ペア:

[(1, 21354774), (2, 10677387), (3, 7118258), (6, 3559129), (7, 3050682), (14, 1525341), (21, 1016894), (42, 508447), (173, 123438), (346, 61719), (519, 41146), (1038, 20573), (1211, 17634), (2422, 8817), (2939, 7266), (3633, 5878)]