21076384

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2543}}^1$

素因数の和:2597

約数の個数: 48

約数和(自身を含む): 48722688

約数和(自身を除く): 27646304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 74, 112, 148, 224, 259, 296, 518, 592, 1036, 1184, 2072, 2543, 4144, 5086, 8288, 10172, 17801, 20344, 35602, 40688, 71204, 81376, 94091, 142408, 188182, 284816, 376364, 569632, 658637, 752728, 1317274, 1505456, 2634548, 3010912, 5269096, 10538192, 21076384]

約数ペア:

[(1, 21076384), (2, 10538192), (4, 5269096), (7, 3010912), (8, 2634548), (14, 1505456), (16, 1317274), (28, 752728), (32, 658637), (37, 569632), (56, 376364), (74, 284816), (112, 188182), (148, 142408), (224, 94091), (259, 81376), (296, 71204), (518, 40688), (592, 35602), (1036, 20344), (1184, 17801), (2072, 10172), (2543, 8288), (4144, 5086)]