21476208

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 60440576

約数和(自身を除く): 38964368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 127, 156, 208, 254, 271, 312, 381, 508, 542, 624, 762, 813, 1016, 1084, 1524, 1626, 1651, 2032, 2168, 3048, 3252, 3302, 3523, 4336, 4953, 6096, 6504, 6604, 7046, 9906, 10569, 13008, 13208, 14092, 19812, 21138, 26416, 28184, 34417, 39624, 42276, 56368, 68834, 79248, 84552, 103251, 137668, 169104, 206502, 275336, 413004, 447421, 550672, 826008, 894842, 1342263, 1652016, 1789684, 2684526, 3579368, 5369052, 7158736, 10738104, 21476208]

約数ペア:

[(1, 21476208), (2, 10738104), (3, 7158736), (4, 5369052), (6, 3579368), (8, 2684526), (12, 1789684), (13, 1652016), (16, 1342263), (24, 894842), (26, 826008), (39, 550672), (48, 447421), (52, 413004), (78, 275336), (104, 206502), (127, 169104), (156, 137668), (208, 103251), (254, 84552), (271, 79248), (312, 68834), (381, 56368), (508, 42276), (542, 39624), (624, 34417), (762, 28184), (813, 26416), (1016, 21138), (1084, 19812), (1524, 14092), (1626, 13208), (1651, 13008), (2032, 10569), (2168, 9906), (3048, 7046), (3252, 6604), (3302, 6504), (3523, 6096), (4336, 4953)]