21329168

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5147}}^1$

素因数の和:5199

約数の個数: 40

約数和(自身を含む): 48514752

約数和(自身を除く): 27185584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 5147, 10294, 20588, 36029, 41176, 72058, 82352, 144116, 190439, 288232, 380878, 576464, 761756, 1333073, 1523512, 2666146, 3047024, 5332292, 10664584, 21329168]

約数ペア:

[(1, 21329168), (2, 10664584), (4, 5332292), (7, 3047024), (8, 2666146), (14, 1523512), (16, 1333073), (28, 761756), (37, 576464), (56, 380878), (74, 288232), (112, 190439), (148, 144116), (259, 82352), (296, 72058), (518, 41176), (592, 36029), (1036, 20588), (2072, 10294), (4144, 5147)]