21236789808

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11344439}}^1$

素因数の和:11344466

約数の個数: 60

約数和(自身を含む): 64005330480

約数和(自身を除く): 42768540672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 11344439, 22688878, 34033317, 45377756, 68066634, 90755512, 102099951, 136133268, 147477707, 181511024, 204199902, 272266536, 294955414, 408399804, 442433121, 544533072, 589910828, 816799608, 884866242, 1179821656, 1327299363, 1633599216, 1769732484, 2359643312, 2654598726, 3539464968, 5309197452, 7078929936, 10618394904, 21236789808]

約数ペア:

[(1, 21236789808), (2, 10618394904), (3, 7078929936), (4, 5309197452), (6, 3539464968), (8, 2654598726), (9, 2359643312), (12, 1769732484), (13, 1633599216), (16, 1327299363), (18, 1179821656), (24, 884866242), (26, 816799608), (36, 589910828), (39, 544533072), (48, 442433121), (52, 408399804), (72, 294955414), (78, 272266536), (104, 204199902), (117, 181511024), (144, 147477707), (156, 136133268), (208, 102099951), (234, 90755512), (312, 68066634), (468, 45377756), (624, 34033317), (936, 22688878), (1872, 11344439)]