21473712

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11471}}^1$

素因数の和:11498

約数の個数: 60

約数和(自身を含む): 64725024

約数和(自身を除く): 43251312

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, 11471, 22942, 34413, 45884, 68826, 91768, 103239, 137652, 149123, 183536, 206478, 275304, 298246, 412956, 447369, 550608, 596492, 825912, 894738, 1192984, 1342107, 1651824, 1789476, 2385968, 2684214, 3578952, 5368428, 7157904, 10736856, 21473712]

約数ペア:

[(1, 21473712), (2, 10736856), (3, 7157904), (4, 5368428), (6, 3578952), (8, 2684214), (9, 2385968), (12, 1789476), (13, 1651824), (16, 1342107), (18, 1192984), (24, 894738), (26, 825912), (36, 596492), (39, 550608), (48, 447369), (52, 412956), (72, 298246), (78, 275304), (104, 206478), (117, 183536), (144, 149123), (156, 137652), (208, 103239), (234, 91768), (312, 68826), (468, 45884), (624, 34413), (936, 22942), (1872, 11471)]