21206178

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{56101}}^1$

素因数の和:56119

約数の個数: 32

約数和(自身を含む): 53857920

約数和(自身を除く): 32651742

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 56101, 112202, 168303, 336606, 392707, 504909, 785414, 1009818, 1178121, 1514727, 2356242, 3029454, 3534363, 7068726, 10603089, 21206178]

約数ペア:

[(1, 21206178), (2, 10603089), (3, 7068726), (6, 3534363), (7, 3029454), (9, 2356242), (14, 1514727), (18, 1178121), (21, 1009818), (27, 785414), (42, 504909), (54, 392707), (63, 336606), (126, 168303), (189, 112202), (378, 56101)]