21743901

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 35852544

約数和(自身を除く): 14108643

約数列:

[1, 3, 9, 17, 23, 37, 51, 69, 111, 153, 167, 207, 333, 391, 501, 629, 851, 1173, 1503, 1887, 2553, 2839, 3519, 3841, 5661, 6179, 7659, 8517, 11523, 14467, 18537, 25551, 34569, 43401, 55611, 65297, 105043, 130203, 142117, 195891, 315129, 426351, 587673, 945387, 1279053, 2415989, 7247967, 21743901]

約数ペア:

[(1, 21743901), (3, 7247967), (9, 2415989), (17, 1279053), (23, 945387), (37, 587673), (51, 426351), (69, 315129), (111, 195891), (153, 142117), (167, 130203), (207, 105043), (333, 65297), (391, 55611), (501, 43401), (629, 34569), (851, 25551), (1173, 18537), (1503, 14467), (1887, 11523), (2553, 8517), (2839, 7659), (3519, 6179), (3841, 5661)]