21569190286

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4219}}^1\times {\mathrm{15877}}^1$

素因数の和:20128

約数の個数: 32

約数和(自身を含む): 38594972160

約数和(自身を除く): 17025781874

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 4219, 8438, 15877, 29533, 31754, 59066, 97037, 111139, 194074, 222278, 365171, 679259, 730342, 1358518, 2556197, 5112394, 66985063, 133970126, 468895441, 937790882, 1540656449, 3081312898, 10784595143, 21569190286]

約数ペア:

[(1, 21569190286), (2, 10784595143), (7, 3081312898), (14, 1540656449), (23, 937790882), (46, 468895441), (161, 133970126), (322, 66985063), (4219, 5112394), (8438, 2556197), (15877, 1358518), (29533, 730342), (31754, 679259), (59066, 365171), (97037, 222278), (111139, 194074)]