21237080254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1161893}}^1$

素因数の和:1161964

約数の個数: 32

約数和(自身を含む): 37087656480

約数和(自身を除く): 15850576226

約数列:

[1, 2, 13, 19, 26, 37, 38, 74, 247, 481, 494, 703, 962, 1406, 9139, 18278, 1161893, 2323786, 15104609, 22075967, 30209218, 42990041, 44151934, 85980082, 286987571, 558870533, 573975142, 816810779, 1117741066, 1633621558, 10618540127, 21237080254]

約数ペア:

[(1, 21237080254), (2, 10618540127), (13, 1633621558), (19, 1117741066), (26, 816810779), (37, 573975142), (38, 558870533), (74, 286987571), (247, 85980082), (481, 44151934), (494, 42990041), (703, 30209218), (962, 22075967), (1406, 15104609), (9139, 2323786), (18278, 1161893)]