21488208

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2063}}^1$

素因数の和:2112

約数の個数: 80

約数和(自身を含む): 65519616

約数和(自身を除く): 44031408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2063, 2604, 3472, 4126, 5208, 6189, 8252, 10416, 12378, 14441, 16504, 24756, 28882, 33008, 43323, 49512, 57764, 63953, 86646, 99024, 115528, 127906, 173292, 191859, 231056, 255812, 346584, 383718, 447671, 511624, 693168, 767436, 895342, 1023248, 1343013, 1534872, 1790684, 2686026, 3069744, 3581368, 5372052, 7162736, 10744104, 21488208]

約数ペア:

[(1, 21488208), (2, 10744104), (3, 7162736), (4, 5372052), (6, 3581368), (7, 3069744), (8, 2686026), (12, 1790684), (14, 1534872), (16, 1343013), (21, 1023248), (24, 895342), (28, 767436), (31, 693168), (42, 511624), (48, 447671), (56, 383718), (62, 346584), (84, 255812), (93, 231056), (112, 191859), (124, 173292), (168, 127906), (186, 115528), (217, 99024), (248, 86646), (336, 63953), (372, 57764), (434, 49512), (496, 43323), (651, 33008), (744, 28882), (868, 24756), (1302, 16504), (1488, 14441), (1736, 12378), (2063, 10416), (2604, 8252), (3472, 6189), (4126, 5208)]