21954492

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{87121}}^1$

素因数の和:87138

約数の個数: 36

約数和(自身を含む): 63424816

約数和(自身を除く): 41470324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 87121, 174242, 261363, 348484, 522726, 609847, 784089, 1045452, 1219694, 1568178, 1829541, 2439388, 3136356, 3659082, 5488623, 7318164, 10977246, 21954492]

約数ペア:

[(1, 21954492), (2, 10977246), (3, 7318164), (4, 5488623), (6, 3659082), (7, 3136356), (9, 2439388), (12, 1829541), (14, 1568178), (18, 1219694), (21, 1045452), (28, 784089), (36, 609847), (42, 522726), (63, 348484), (84, 261363), (126, 174242), (252, 87121)]