21749936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6151}}^1$

素因数の和:6189

約数の個数: 40

約数和(自身を含む): 48059424

約数和(自身を除く): 26309488

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 6151, 12302, 24604, 49208, 79963, 98416, 104567, 159926, 209134, 319852, 418268, 639704, 836536, 1279408, 1359371, 1673072, 2718742, 5437484, 10874968, 21749936]

約数ペア:

[(1, 21749936), (2, 10874968), (4, 5437484), (8, 2718742), (13, 1673072), (16, 1359371), (17, 1279408), (26, 836536), (34, 639704), (52, 418268), (68, 319852), (104, 209134), (136, 159926), (208, 104567), (221, 98416), (272, 79963), (442, 49208), (884, 24604), (1768, 12302), (3536, 6151)]