21167459803

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{7759}}^1$

素因数の和:8035

約数の個数: 32

約数和(自身を含む): 25477632000

約数和(自身を除く): 4310172197

約数列:

[1, 7, 29, 89, 151, 203, 623, 1057, 2581, 4379, 7759, 13439, 18067, 30653, 54313, 94073, 225011, 389731, 690551, 1171609, 1575077, 2728117, 4833857, 8201263, 20025979, 33976661, 104273201, 140181853, 237836627, 729912407, 3023922829, 21167459803]

約数ペア:

[(1, 21167459803), (7, 3023922829), (29, 729912407), (89, 237836627), (151, 140181853), (203, 104273201), (623, 33976661), (1057, 20025979), (2581, 8201263), (4379, 4833857), (7759, 2728117), (13439, 1575077), (18067, 1171609), (30653, 690551), (54313, 389731), (94073, 225011)]