21506208504

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{340849}}^1$

素因数の和:341108

約数の個数: 64

約数和(自身を含む): 58898880000

約数和(自身を除く): 37392671496

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 239, 264, 478, 717, 956, 1434, 1912, 2629, 2868, 5258, 5736, 7887, 10516, 15774, 21032, 31548, 63096, 340849, 681698, 1022547, 1363396, 2045094, 2726792, 3749339, 4090188, 7498678, 8180376, 11248017, 14997356, 22496034, 29994712, 44992068, 81462911, 89984136, 162925822, 244388733, 325851644, 488777466, 651703288, 896092021, 977554932, 1792184042, 1955109864, 2688276063, 3584368084, 5376552126, 7168736168, 10753104252, 21506208504]

約数ペア:

[(1, 21506208504), (2, 10753104252), (3, 7168736168), (4, 5376552126), (6, 3584368084), (8, 2688276063), (11, 1955109864), (12, 1792184042), (22, 977554932), (24, 896092021), (33, 651703288), (44, 488777466), (66, 325851644), (88, 244388733), (132, 162925822), (239, 89984136), (264, 81462911), (478, 44992068), (717, 29994712), (956, 22496034), (1434, 14997356), (1912, 11248017), (2629, 8180376), (2868, 7498678), (5258, 4090188), (5736, 3749339), (7887, 2726792), (10516, 2045094), (15774, 1363396), (21032, 1022547), (31548, 681698), (63096, 340849)]