21062392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 24096008

約数列:

[1, 2, 4, 8, 13, 26, 31, 47, 52, 62, 94, 104, 124, 139, 188, 248, 278, 376, 403, 556, 611, 806, 1112, 1222, 1457, 1612, 1807, 2444, 2914, 3224, 3614, 4309, 4888, 5828, 6533, 7228, 8618, 11656, 13066, 14456, 17236, 18941, 26132, 34472, 37882, 52264, 56017, 75764, 84929, 112034, 151528, 169858, 202523, 224068, 339716, 405046, 448136, 679432, 810092, 1620184, 2632799, 5265598, 10531196, 21062392]

約数ペア:

[(1, 21062392), (2, 10531196), (4, 5265598), (8, 2632799), (13, 1620184), (26, 810092), (31, 679432), (47, 448136), (52, 405046), (62, 339716), (94, 224068), (104, 202523), (124, 169858), (139, 151528), (188, 112034), (248, 84929), (278, 75764), (376, 56017), (403, 52264), (556, 37882), (611, 34472), (806, 26132), (1112, 18941), (1222, 17236), (1457, 14456), (1612, 13066), (1807, 11656), (2444, 8618), (2914, 7228), (3224, 6533), (3614, 5828), (4309, 4888)]