21095360

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:502

約数の個数: 112

約数和(自身を含む): 59143392

約数和(自身を除く): 38048032

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 461, 520, 572, 704, 715, 832, 880, 922, 1040, 1144, 1430, 1760, 1844, 2080, 2288, 2305, 2860, 3520, 3688, 4160, 4576, 4610, 5071, 5720, 5993, 7376, 9152, 9220, 10142, 11440, 11986, 14752, 18440, 20284, 22880, 23972, 25355, 29504, 29965, 36880, 40568, 45760, 47944, 50710, 59930, 65923, 73760, 81136, 95888, 101420, 119860, 131846, 147520, 162272, 191776, 202840, 239720, 263692, 324544, 329615, 383552, 405680, 479440, 527384, 659230, 811360, 958880, 1054768, 1318460, 1622720, 1917760, 2109536, 2636920, 4219072, 5273840, 10547680, 21095360]

約数ペア:

[(1, 21095360), (2, 10547680), (4, 5273840), (5, 4219072), (8, 2636920), (10, 2109536), (11, 1917760), (13, 1622720), (16, 1318460), (20, 1054768), (22, 958880), (26, 811360), (32, 659230), (40, 527384), (44, 479440), (52, 405680), (55, 383552), (64, 329615), (65, 324544), (80, 263692), (88, 239720), (104, 202840), (110, 191776), (130, 162272), (143, 147520), (160, 131846), (176, 119860), (208, 101420), (220, 95888), (260, 81136), (286, 73760), (320, 65923), (352, 59930), (416, 50710), (440, 47944), (461, 45760), (520, 40568), (572, 36880), (704, 29965), (715, 29504), (832, 25355), (880, 23972), (922, 22880), (1040, 20284), (1144, 18440), (1430, 14752), (1760, 11986), (1844, 11440), (2080, 10142), (2288, 9220), (2305, 9152), (2860, 7376), (3520, 5993), (3688, 5720), (4160, 5071), (4576, 4610)]