21021312

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4211}}^1$

素因数の和:4241

約数の個数: 64

約数和(自身を含む): 60147360

約数和(自身を除く): 39126048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4211, 4992, 8422, 12633, 16844, 25266, 33688, 50532, 54743, 67376, 101064, 109486, 134752, 164229, 202128, 218972, 269504, 328458, 404256, 437944, 539008, 656916, 808512, 875888, 1313832, 1617024, 1751776, 2627664, 3503552, 5255328, 7007104, 10510656, 21021312]

約数ペア:

[(1, 21021312), (2, 10510656), (3, 7007104), (4, 5255328), (6, 3503552), (8, 2627664), (12, 1751776), (13, 1617024), (16, 1313832), (24, 875888), (26, 808512), (32, 656916), (39, 539008), (48, 437944), (52, 404256), (64, 328458), (78, 269504), (96, 218972), (104, 202128), (128, 164229), (156, 134752), (192, 109486), (208, 101064), (312, 67376), (384, 54743), (416, 50532), (624, 33688), (832, 25266), (1248, 16844), (1664, 12633), (2496, 8422), (4211, 4992)]