21548988

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7577}}^1$

素因数の和:7666

約数の個数: 36

約数和(自身を含む): 55167840

約数和(自身を除く): 33618852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7577, 15154, 22731, 30308, 45462, 68193, 90924, 136386, 272772, 598583, 1197166, 1795749, 2394332, 3591498, 5387247, 7182996, 10774494, 21548988]

約数ペア:

[(1, 21548988), (2, 10774494), (3, 7182996), (4, 5387247), (6, 3591498), (9, 2394332), (12, 1795749), (18, 1197166), (36, 598583), (79, 272772), (158, 136386), (237, 90924), (316, 68193), (474, 45462), (711, 30308), (948, 22731), (1422, 15154), (2844, 7577)]