21638032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4523}}^1$

素因数の和:4567

約数の個数: 40

約数和(自身を含む): 47121984

約数和(自身を除く): 25483952

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4523, 4784, 9046, 18092, 36184, 58799, 72368, 104029, 117598, 208058, 235196, 416116, 470392, 832232, 940784, 1352377, 1664464, 2704754, 5409508, 10819016, 21638032]

約数ペア:

[(1, 21638032), (2, 10819016), (4, 5409508), (8, 2704754), (13, 1664464), (16, 1352377), (23, 940784), (26, 832232), (46, 470392), (52, 416116), (92, 235196), (104, 208058), (184, 117598), (208, 104029), (299, 72368), (368, 58799), (598, 36184), (1196, 18092), (2392, 9046), (4523, 4784)]