21078334

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 35838720

約数和(自身を除く): 14760386

約数列:

[1, 2, 17, 19, 34, 38, 67, 134, 323, 487, 646, 974, 1139, 1273, 2278, 2546, 8279, 9253, 16558, 18506, 21641, 32629, 43282, 65258, 157301, 314602, 554693, 619951, 1109386, 1239902, 10539167, 21078334]

約数ペア:

[(1, 21078334), (2, 10539167), (17, 1239902), (19, 1109386), (34, 619951), (38, 554693), (67, 314602), (134, 157301), (323, 65258), (487, 43282), (646, 32629), (974, 21641), (1139, 18506), (1273, 16558), (2278, 9253), (2546, 8279)]