21423296

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:241

約数の個数: 56

約数和(自身を含む): 44592240

約数和(自身を除く): 23168944

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 83, 109, 148, 166, 218, 296, 332, 436, 592, 664, 872, 1184, 1328, 1744, 2368, 2656, 3071, 3488, 4033, 5312, 6142, 6976, 8066, 9047, 12284, 16132, 18094, 24568, 32264, 36188, 49136, 64528, 72376, 98272, 129056, 144752, 196544, 258112, 289504, 334739, 579008, 669478, 1338956, 2677912, 5355824, 10711648, 21423296]

約数ペア:

[(1, 21423296), (2, 10711648), (4, 5355824), (8, 2677912), (16, 1338956), (32, 669478), (37, 579008), (64, 334739), (74, 289504), (83, 258112), (109, 196544), (148, 144752), (166, 129056), (218, 98272), (296, 72376), (332, 64528), (436, 49136), (592, 36188), (664, 32264), (872, 24568), (1184, 18094), (1328, 16132), (1744, 12284), (2368, 9047), (2656, 8066), (3071, 6976), (3488, 6142), (4033, 5312)]