21417477952

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{1931}}^1\times {\mathrm{13331}}^1$

素因数の和:15287

約数の個数: 56

約数和(自身を含む): 45796699872

約数和(自身を除く): 24379221920

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 1931, 3862, 7724, 13331, 15448, 25103, 26662, 30896, 50206, 53324, 61792, 100412, 106648, 123584, 173303, 200824, 213296, 346606, 401648, 426592, 693212, 803296, 853184, 1386424, 1606592, 2772848, 5545696, 11091392, 25742161, 51484322, 102968644, 205937288, 334648093, 411874576, 669296186, 823749152, 1338592372, 1647498304, 2677184744, 5354369488, 10708738976, 21417477952]

約数ペア:

[(1, 21417477952), (2, 10708738976), (4, 5354369488), (8, 2677184744), (13, 1647498304), (16, 1338592372), (26, 823749152), (32, 669296186), (52, 411874576), (64, 334648093), (104, 205937288), (208, 102968644), (416, 51484322), (832, 25742161), (1931, 11091392), (3862, 5545696), (7724, 2772848), (13331, 1606592), (15448, 1386424), (25103, 853184), (26662, 803296), (30896, 693212), (50206, 426592), (53324, 401648), (61792, 346606), (100412, 213296), (106648, 200824), (123584, 173303)]