21313138

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1163}}^1$

素因数の和:1207

約数の個数: 48

約数和(自身を含む): 42993504

約数和(自身を除く): 21680366

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 49, 77, 98, 119, 154, 187, 238, 374, 539, 833, 1078, 1163, 1309, 1666, 2326, 2618, 8141, 9163, 12793, 16282, 18326, 19771, 25586, 39542, 56987, 89551, 113974, 138397, 179102, 217481, 276794, 434962, 626857, 968779, 1253714, 1522367, 1937558, 3044734, 10656569, 21313138]

約数ペア:

[(1, 21313138), (2, 10656569), (7, 3044734), (11, 1937558), (14, 1522367), (17, 1253714), (22, 968779), (34, 626857), (49, 434962), (77, 276794), (98, 217481), (119, 179102), (154, 138397), (187, 113974), (238, 89551), (374, 56987), (539, 39542), (833, 25586), (1078, 19771), (1163, 18326), (1309, 16282), (1666, 12793), (2326, 9163), (2618, 8141)]