21626992

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3457}}^1$

素因数の和:3505

約数の個数: 40

約数和(自身を含む): 46309536

約数和(自身を除く): 24682544

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 3457, 6256, 6914, 13828, 27656, 55312, 58769, 79511, 117538, 159022, 235076, 318044, 470152, 636088, 940304, 1272176, 1351687, 2703374, 5406748, 10813496, 21626992]

約数ペア:

[(1, 21626992), (2, 10813496), (4, 5406748), (8, 2703374), (16, 1351687), (17, 1272176), (23, 940304), (34, 636088), (46, 470152), (68, 318044), (92, 235076), (136, 159022), (184, 117538), (272, 79511), (368, 58769), (391, 55312), (782, 27656), (1564, 13828), (3128, 6914), (3457, 6256)]