21696504

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 56881440

約数和(自身を除く): 35184936

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 53, 74, 106, 111, 148, 159, 212, 222, 296, 318, 424, 444, 461, 636, 888, 922, 1272, 1383, 1844, 1961, 2766, 3688, 3922, 5532, 5883, 7844, 11064, 11766, 15688, 17057, 23532, 24433, 34114, 47064, 48866, 51171, 68228, 73299, 97732, 102342, 136456, 146598, 195464, 204684, 293196, 409368, 586392, 904021, 1808042, 2712063, 3616084, 5424126, 7232168, 10848252, 21696504]

約数ペア:

[(1, 21696504), (2, 10848252), (3, 7232168), (4, 5424126), (6, 3616084), (8, 2712063), (12, 1808042), (24, 904021), (37, 586392), (53, 409368), (74, 293196), (106, 204684), (111, 195464), (148, 146598), (159, 136456), (212, 102342), (222, 97732), (296, 73299), (318, 68228), (424, 51171), (444, 48866), (461, 47064), (636, 34114), (888, 24433), (922, 23532), (1272, 17057), (1383, 15688), (1844, 11766), (1961, 11064), (2766, 7844), (3688, 5883), (3922, 5532)]