21544304

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{769}}^1$

素因数の和:897

約数の個数: 40

約数和(自身を含む): 44684640

約数和(自身を除く): 23140336

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 103, 136, 206, 272, 412, 769, 824, 1538, 1648, 1751, 3076, 3502, 6152, 7004, 12304, 13073, 14008, 26146, 28016, 52292, 79207, 104584, 158414, 209168, 316828, 633656, 1267312, 1346519, 2693038, 5386076, 10772152, 21544304]

約数ペア:

[(1, 21544304), (2, 10772152), (4, 5386076), (8, 2693038), (16, 1346519), (17, 1267312), (34, 633656), (68, 316828), (103, 209168), (136, 158414), (206, 104584), (272, 79207), (412, 52292), (769, 28016), (824, 26146), (1538, 14008), (1648, 13073), (1751, 12304), (3076, 7004), (3502, 6152)]