21703906

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1163}}^1$

素因数の和:1246

約数の個数: 32

約数和(自身を含む): 39333888

約数和(自身を除く): 17629982

約数列:

[1, 2, 7, 14, 31, 43, 62, 86, 217, 301, 434, 602, 1163, 1333, 2326, 2666, 8141, 9331, 16282, 18662, 36053, 50009, 72106, 100018, 252371, 350063, 504742, 700126, 1550279, 3100558, 10851953, 21703906]

約数ペア:

[(1, 21703906), (2, 10851953), (7, 3100558), (14, 1550279), (31, 700126), (43, 504742), (62, 350063), (86, 252371), (217, 100018), (301, 72106), (434, 50009), (602, 36053), (1163, 18662), (1333, 16282), (2326, 9331), (2666, 8141)]