21975786

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19379}}^1$

素因数の和:19400

約数の個数: 40

約数和(自身を含む): 56279520

約数和(自身を除く): 34303734

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 19379, 38758, 58137, 116274, 135653, 174411, 271306, 348822, 406959, 523233, 813918, 1046466, 1220877, 1569699, 2441754, 3139398, 3662631, 7325262, 10987893, 21975786]

約数ペア:

[(1, 21975786), (2, 10987893), (3, 7325262), (6, 3662631), (7, 3139398), (9, 2441754), (14, 1569699), (18, 1220877), (21, 1046466), (27, 813918), (42, 523233), (54, 406959), (63, 348822), (81, 271306), (126, 174411), (162, 135653), (189, 116274), (378, 58137), (567, 38758), (1134, 19379)]