21141232

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 50711040

約数和(自身を除く): 29569808

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 29, 46, 56, 58, 92, 112, 116, 161, 184, 203, 232, 283, 322, 368, 406, 464, 566, 644, 667, 812, 1132, 1288, 1334, 1624, 1981, 2264, 2576, 2668, 3248, 3962, 4528, 4669, 5336, 6509, 7924, 8207, 9338, 10672, 13018, 15848, 16414, 18676, 26036, 31696, 32828, 37352, 45563, 52072, 57449, 65656, 74704, 91126, 104144, 114898, 131312, 182252, 188761, 229796, 364504, 377522, 459592, 729008, 755044, 919184, 1321327, 1510088, 2642654, 3020176, 5285308, 10570616, 21141232]

約数ペア:

[(1, 21141232), (2, 10570616), (4, 5285308), (7, 3020176), (8, 2642654), (14, 1510088), (16, 1321327), (23, 919184), (28, 755044), (29, 729008), (46, 459592), (56, 377522), (58, 364504), (92, 229796), (112, 188761), (116, 182252), (161, 131312), (184, 114898), (203, 104144), (232, 91126), (283, 74704), (322, 65656), (368, 57449), (406, 52072), (464, 45563), (566, 37352), (644, 32828), (667, 31696), (812, 26036), (1132, 18676), (1288, 16414), (1334, 15848), (1624, 13018), (1981, 10672), (2264, 9338), (2576, 8207), (2668, 7924), (3248, 6509), (3962, 5336), (4528, 4669)]