21546408

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1303}}^1$

素因数の和:1378

約数の個数: 64

約数和(自身を含む): 59149440

約数和(自身を除く): 37603032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 156, 159, 212, 312, 318, 424, 636, 689, 1272, 1303, 1378, 2067, 2606, 2756, 3909, 4134, 5212, 5512, 7818, 8268, 10424, 15636, 16536, 16939, 31272, 33878, 50817, 67756, 69059, 101634, 135512, 138118, 203268, 207177, 276236, 406536, 414354, 552472, 828708, 897767, 1657416, 1795534, 2693301, 3591068, 5386602, 7182136, 10773204, 21546408]

約数ペア:

[(1, 21546408), (2, 10773204), (3, 7182136), (4, 5386602), (6, 3591068), (8, 2693301), (12, 1795534), (13, 1657416), (24, 897767), (26, 828708), (39, 552472), (52, 414354), (53, 406536), (78, 276236), (104, 207177), (106, 203268), (156, 138118), (159, 135512), (212, 101634), (312, 69059), (318, 67756), (424, 50817), (636, 33878), (689, 31272), (1272, 16939), (1303, 16536), (1378, 15636), (2067, 10424), (2606, 8268), (2756, 7818), (3909, 5512), (4134, 5212)]