21208049282

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1193}}^1\times {\mathrm{40961}}^1$

素因数の和:42194

約数の個数: 32

約数和(自身を含む): 37561826304

約数和(自身を除く): 16353777022

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 1193, 2386, 8351, 16702, 36983, 40961, 73966, 81922, 258881, 286727, 517762, 573454, 1269791, 2539582, 8888537, 17777074, 48866473, 97732946, 342065311, 684130622, 1514860663, 3029721326, 10604024641, 21208049282]

約数ペア:

[(1, 21208049282), (2, 10604024641), (7, 3029721326), (14, 1514860663), (31, 684130622), (62, 342065311), (217, 97732946), (434, 48866473), (1193, 17777074), (2386, 8888537), (8351, 2539582), (16702, 1269791), (36983, 573454), (40961, 517762), (73966, 286727), (81922, 258881)]