21196076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 43908480

約数和(自身を除く): 22712404

約数列:

[1, 2, 4, 11, 17, 22, 34, 43, 44, 68, 86, 172, 187, 374, 473, 659, 731, 748, 946, 1318, 1462, 1892, 2636, 2924, 7249, 8041, 11203, 14498, 16082, 22406, 28337, 28996, 32164, 44812, 56674, 113348, 123233, 246466, 311707, 481729, 492932, 623414, 963458, 1246828, 1926916, 5299019, 10598038, 21196076]

約数ペア:

[(1, 21196076), (2, 10598038), (4, 5299019), (11, 1926916), (17, 1246828), (22, 963458), (34, 623414), (43, 492932), (44, 481729), (68, 311707), (86, 246466), (172, 123233), (187, 113348), (374, 56674), (473, 44812), (659, 32164), (731, 28996), (748, 28337), (946, 22406), (1318, 16082), (1462, 14498), (1892, 11203), (2636, 8041), (2924, 7249)]