21178004596

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{757}}^1\times {\mathrm{13687}}^1$

素因数の和:14528

約数の個数: 48

約数和(自身を含む): 42996088576

約数和(自身を除く): 21818083980

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 757, 1022, 1514, 2044, 3028, 5299, 10598, 13687, 21196, 27374, 54748, 55261, 95809, 110522, 191618, 221044, 383236, 386827, 773654, 999151, 1547308, 1998302, 3996604, 6994057, 10361059, 13988114, 20722118, 27976228, 41444236, 72527413, 145054826, 290109652, 756357307, 1512714614, 3025429228, 5294501149, 10589002298, 21178004596]

約数ペア:

[(1, 21178004596), (2, 10589002298), (4, 5294501149), (7, 3025429228), (14, 1512714614), (28, 756357307), (73, 290109652), (146, 145054826), (292, 72527413), (511, 41444236), (757, 27976228), (1022, 20722118), (1514, 13988114), (2044, 10361059), (3028, 6994057), (5299, 3996604), (10598, 1998302), (13687, 1547308), (21196, 999151), (27374, 773654), (54748, 386827), (55261, 383236), (95809, 221044), (110522, 191618)]