21526656

素因数分解:

$2^7\times 3^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 58180800

約数和(自身を除く): 36654144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 366, 384, 488, 732, 919, 976, 1464, 1838, 1952, 2757, 2928, 3676, 3904, 5514, 5856, 7352, 7808, 11028, 11712, 14704, 22056, 23424, 29408, 44112, 56059, 58816, 88224, 112118, 117632, 168177, 176448, 224236, 336354, 352896, 448472, 672708, 896944, 1345416, 1793888, 2690832, 3587776, 5381664, 7175552, 10763328, 21526656]

約数ペア:

[(1, 21526656), (2, 10763328), (3, 7175552), (4, 5381664), (6, 3587776), (8, 2690832), (12, 1793888), (16, 1345416), (24, 896944), (32, 672708), (48, 448472), (61, 352896), (64, 336354), (96, 224236), (122, 176448), (128, 168177), (183, 117632), (192, 112118), (244, 88224), (366, 58816), (384, 56059), (488, 44112), (732, 29408), (919, 23424), (976, 22056), (1464, 14704), (1838, 11712), (1952, 11028), (2757, 7808), (2928, 7352), (3676, 5856), (3904, 5514)]