21615312

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 59549760

約数和(自身を除く): 37934448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 137, 152, 173, 228, 274, 304, 346, 411, 456, 519, 548, 692, 822, 912, 1038, 1096, 1384, 1644, 2076, 2192, 2603, 2768, 3287, 3288, 4152, 5206, 6574, 6576, 7809, 8304, 9861, 10412, 13148, 15618, 19722, 20824, 23701, 26296, 31236, 39444, 41648, 47402, 52592, 62472, 71103, 78888, 94804, 124944, 142206, 157776, 189608, 284412, 379216, 450319, 568824, 900638, 1137648, 1350957, 1801276, 2701914, 3602552, 5403828, 7205104, 10807656, 21615312]

約数ペア:

[(1, 21615312), (2, 10807656), (3, 7205104), (4, 5403828), (6, 3602552), (8, 2701914), (12, 1801276), (16, 1350957), (19, 1137648), (24, 900638), (38, 568824), (48, 450319), (57, 379216), (76, 284412), (114, 189608), (137, 157776), (152, 142206), (173, 124944), (228, 94804), (274, 78888), (304, 71103), (346, 62472), (411, 52592), (456, 47402), (519, 41648), (548, 39444), (692, 31236), (822, 26296), (912, 23701), (1038, 20824), (1096, 19722), (1384, 15618), (1644, 13148), (2076, 10412), (2192, 9861), (2603, 8304), (2768, 7809), (3287, 6576), (3288, 6574), (4152, 5206)]