21000434742

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2732297}}^1$

素因数の和:2732373

約数の個数: 48

約数和(自身を含む): 52853572512

約数和(自身を除く): 31853137770

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 3843, 7686, 2732297, 5464594, 8196891, 16393782, 19126079, 24590673, 38252158, 49181346, 57378237, 114756474, 166670117, 172134711, 333340234, 344269422, 500010351, 1000020702, 1166690819, 1500031053, 2333381638, 3000062106, 3500072457, 7000144914, 10500217371, 21000434742]

約数ペア:

[(1, 21000434742), (2, 10500217371), (3, 7000144914), (6, 3500072457), (7, 3000062106), (9, 2333381638), (14, 1500031053), (18, 1166690819), (21, 1000020702), (42, 500010351), (61, 344269422), (63, 333340234), (122, 172134711), (126, 166670117), (183, 114756474), (366, 57378237), (427, 49181346), (549, 38252158), (854, 24590673), (1098, 19126079), (1281, 16393782), (2562, 8196891), (3843, 5464594), (7686, 2732297)]