21503088

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4817}}^1$

素因数の和:4862

約数の個数: 60

約数和(自身を含む): 62132928

約数和(自身を除く): 40629840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4817, 9634, 14451, 19268, 28902, 38536, 43353, 57804, 77072, 86706, 115608, 149327, 173412, 231216, 298654, 346824, 447981, 597308, 693648, 895962, 1194616, 1343943, 1791924, 2389232, 2687886, 3583848, 5375772, 7167696, 10751544, 21503088]

約数ペア:

[(1, 21503088), (2, 10751544), (3, 7167696), (4, 5375772), (6, 3583848), (8, 2687886), (9, 2389232), (12, 1791924), (16, 1343943), (18, 1194616), (24, 895962), (31, 693648), (36, 597308), (48, 447981), (62, 346824), (72, 298654), (93, 231216), (124, 173412), (144, 149327), (186, 115608), (248, 86706), (279, 77072), (372, 57804), (496, 43353), (558, 38536), (744, 28902), (1116, 19268), (1488, 14451), (2232, 9634), (4464, 4817)]