21452156944

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{643}}^1\times {\mathrm{34183}}^1$

素因数の和:34895

約数の個数: 40

約数和(自身を含む): 42311861312

約数和(自身を除く): 20859704368

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 643, 976, 1286, 2572, 5144, 10288, 34183, 39223, 68366, 78446, 136732, 156892, 273464, 313784, 546928, 627568, 2085163, 4170326, 8340652, 16681304, 21979669, 33362608, 43959338, 87918676, 175837352, 351674704, 1340759809, 2681519618, 5363039236, 10726078472, 21452156944]

約数ペア:

[(1, 21452156944), (2, 10726078472), (4, 5363039236), (8, 2681519618), (16, 1340759809), (61, 351674704), (122, 175837352), (244, 87918676), (488, 43959338), (643, 33362608), (976, 21979669), (1286, 16681304), (2572, 8340652), (5144, 4170326), (10288, 2085163), (34183, 627568), (39223, 546928), (68366, 313784), (78446, 273464), (136732, 156892)]