21304608

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:466

約数の個数: 96

約数和(自身を含む): 61782336

約数和(自身を除く): 40477728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 43, 48, 52, 78, 86, 96, 104, 129, 156, 172, 208, 258, 312, 344, 397, 416, 516, 559, 624, 688, 794, 1032, 1118, 1191, 1248, 1376, 1588, 1677, 2064, 2236, 2382, 3176, 3354, 4128, 4472, 4764, 5161, 6352, 6708, 8944, 9528, 10322, 12704, 13416, 15483, 17071, 17888, 19056, 20644, 26832, 30966, 34142, 38112, 41288, 51213, 53664, 61932, 68284, 82576, 102426, 123864, 136568, 165152, 204852, 221923, 247728, 273136, 409704, 443846, 495456, 546272, 665769, 819408, 887692, 1331538, 1638816, 1775384, 2663076, 3550768, 5326152, 7101536, 10652304, 21304608]

約数ペア:

[(1, 21304608), (2, 10652304), (3, 7101536), (4, 5326152), (6, 3550768), (8, 2663076), (12, 1775384), (13, 1638816), (16, 1331538), (24, 887692), (26, 819408), (32, 665769), (39, 546272), (43, 495456), (48, 443846), (52, 409704), (78, 273136), (86, 247728), (96, 221923), (104, 204852), (129, 165152), (156, 136568), (172, 123864), (208, 102426), (258, 82576), (312, 68284), (344, 61932), (397, 53664), (416, 51213), (516, 41288), (559, 38112), (624, 34142), (688, 30966), (794, 26832), (1032, 20644), (1118, 19056), (1191, 17888), (1248, 17071), (1376, 15483), (1588, 13416), (1677, 12704), (2064, 10322), (2236, 9528), (2382, 8944), (3176, 6708), (3354, 6352), (4128, 5161), (4472, 4764)]