21742798

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2393}}^1$

素因数の和:2472

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 19625522

約数列:

[1, 2, 7, 11, 14, 22, 59, 77, 118, 154, 413, 649, 826, 1298, 2393, 4543, 4786, 9086, 16751, 26323, 33502, 52646, 141187, 184261, 282374, 368522, 988309, 1553057, 1976618, 3106114, 10871399, 21742798]

約数ペア:

[(1, 21742798), (2, 10871399), (7, 3106114), (11, 1976618), (14, 1553057), (22, 988309), (59, 368522), (77, 282374), (118, 184261), (154, 141187), (413, 52646), (649, 33502), (826, 26323), (1298, 16751), (2393, 9086), (4543, 4786)]