21848788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4721}}^1$

素因数の和:4827

約数の個数: 24

約数和(自身を含む): 41648040

約数和(自身を除く): 19799252

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 4721, 9442, 18884, 61373, 122746, 245492, 420169, 840338, 1680676, 5462197, 10924394, 21848788]

約数ペア:

[(1, 21848788), (2, 10924394), (4, 5462197), (13, 1680676), (26, 840338), (52, 420169), (89, 245492), (178, 122746), (356, 61373), (1157, 18884), (2314, 9442), (4628, 4721)]