21051796681

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{5347}}^1$

素因数の和:5549

約数の個数: 32

約数和(自身を含む): 23342950400

約数和(自身を除く): 2291153719

約数列:

[1, 19, 43, 61, 79, 817, 1159, 1501, 2623, 3397, 4819, 5347, 49837, 64543, 91561, 101593, 207217, 229921, 326167, 422413, 3937123, 4368499, 6197173, 8025847, 14025181, 18163759, 25767193, 266478439, 345111421, 489576667, 1107989299, 21051796681]

約数ペア:

[(1, 21051796681), (19, 1107989299), (43, 489576667), (61, 345111421), (79, 266478439), (817, 25767193), (1159, 18163759), (1501, 14025181), (2623, 8025847), (3397, 6197173), (4819, 4368499), (5347, 3937123), (49837, 422413), (64543, 326167), (91561, 229921), (101593, 207217)]