21095686

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:244

約数の個数: 32

約数和(自身を含む): 34099200

約数和(自身を除く): 13003514

約数列:

[1, 2, 31, 59, 62, 73, 79, 118, 146, 158, 1829, 2263, 2449, 3658, 4307, 4526, 4661, 4898, 5767, 8614, 9322, 11534, 133517, 144491, 178777, 267034, 288982, 340253, 357554, 680506, 10547843, 21095686]

約数ペア:

[(1, 21095686), (2, 10547843), (31, 680506), (59, 357554), (62, 340253), (73, 288982), (79, 267034), (118, 178777), (146, 144491), (158, 133517), (1829, 11534), (2263, 9322), (2449, 8614), (3658, 5767), (4307, 4898), (4526, 4661)]