21110432

素因数分解:

$2^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1381

約数の個数: 48

約数和(自身を含む): 48186432

約数和(自身を除く): 27076000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 73, 112, 146, 224, 292, 511, 584, 1022, 1168, 1291, 2044, 2336, 2582, 4088, 5164, 8176, 9037, 10328, 16352, 18074, 20656, 36148, 41312, 72296, 94243, 144592, 188486, 289184, 376972, 659701, 753944, 1319402, 1507888, 2638804, 3015776, 5277608, 10555216, 21110432]

約数ペア:

[(1, 21110432), (2, 10555216), (4, 5277608), (7, 3015776), (8, 2638804), (14, 1507888), (16, 1319402), (28, 753944), (32, 659701), (56, 376972), (73, 289184), (112, 188486), (146, 144592), (224, 94243), (292, 72296), (511, 41312), (584, 36148), (1022, 20656), (1168, 18074), (1291, 16352), (2044, 10328), (2336, 9037), (2582, 8176), (4088, 5164)]