21353136

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 63757824

約数和(自身を除く): 42404688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 103, 112, 168, 206, 309, 336, 412, 617, 618, 721, 824, 1234, 1236, 1442, 1648, 1851, 2163, 2468, 2472, 2884, 3702, 4319, 4326, 4936, 4944, 5768, 7404, 8638, 8652, 9872, 11536, 12957, 14808, 17276, 17304, 25914, 29616, 34552, 34608, 51828, 63551, 69104, 103656, 127102, 190653, 207312, 254204, 381306, 444857, 508408, 762612, 889714, 1016816, 1334571, 1525224, 1779428, 2669142, 3050448, 3558856, 5338284, 7117712, 10676568, 21353136]

約数ペア:

[(1, 21353136), (2, 10676568), (3, 7117712), (4, 5338284), (6, 3558856), (7, 3050448), (8, 2669142), (12, 1779428), (14, 1525224), (16, 1334571), (21, 1016816), (24, 889714), (28, 762612), (42, 508408), (48, 444857), (56, 381306), (84, 254204), (103, 207312), (112, 190653), (168, 127102), (206, 103656), (309, 69104), (336, 63551), (412, 51828), (617, 34608), (618, 34552), (721, 29616), (824, 25914), (1234, 17304), (1236, 17276), (1442, 14808), (1648, 12957), (1851, 11536), (2163, 9872), (2468, 8652), (2472, 8638), (2884, 7404), (3702, 5768), (4319, 4944), (4326, 4936)]