21450565568

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{229}}^1\times {\mathrm{1523}}^1$

素因数の和:1826

約数の個数: 84

約数和(自身を含む): 44204427720

約数和(自身を除く): 22753862152

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 229, 248, 458, 496, 916, 961, 992, 1523, 1832, 1922, 1984, 3046, 3664, 3844, 6092, 7099, 7328, 7688, 12184, 14198, 14656, 15376, 24368, 28396, 30752, 47213, 48736, 56792, 61504, 94426, 97472, 113584, 188852, 220069, 227168, 348767, 377704, 440138, 454336, 697534, 755408, 880276, 1395068, 1463603, 1510816, 1760552, 2790136, 2927206, 3021632, 3521104, 5580272, 5854412, 7042208, 10811777, 11160544, 11708824, 14084416, 21623554, 22321088, 23417648, 43247108, 46835296, 86494216, 93670592, 172988432, 335165087, 345976864, 670330174, 691953728, 1340660348, 2681320696, 5362641392, 10725282784, 21450565568]

約数ペア:

[(1, 21450565568), (2, 10725282784), (4, 5362641392), (8, 2681320696), (16, 1340660348), (31, 691953728), (32, 670330174), (62, 345976864), (64, 335165087), (124, 172988432), (229, 93670592), (248, 86494216), (458, 46835296), (496, 43247108), (916, 23417648), (961, 22321088), (992, 21623554), (1523, 14084416), (1832, 11708824), (1922, 11160544), (1984, 10811777), (3046, 7042208), (3664, 5854412), (3844, 5580272), (6092, 3521104), (7099, 3021632), (7328, 2927206), (7688, 2790136), (12184, 1760552), (14198, 1510816), (14656, 1463603), (15376, 1395068), (24368, 880276), (28396, 755408), (30752, 697534), (47213, 454336), (48736, 440138), (56792, 377704), (61504, 348767), (94426, 227168), (97472, 220069), (113584, 188852)]