21502944

素因数分解:

$2^5\times 3^2\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:592

約数の個数: 72

約数和(自身を含む): 61621560

約数和(自身を除く): 40118616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 197, 288, 379, 394, 591, 758, 788, 1137, 1182, 1516, 1576, 1773, 2274, 2364, 3032, 3152, 3411, 3546, 4548, 4728, 6064, 6304, 6822, 7092, 9096, 9456, 12128, 13644, 14184, 18192, 18912, 27288, 28368, 36384, 54576, 56736, 74663, 109152, 149326, 223989, 298652, 447978, 597304, 671967, 895956, 1194608, 1343934, 1791912, 2389216, 2687868, 3583824, 5375736, 7167648, 10751472, 21502944]

約数ペア:

[(1, 21502944), (2, 10751472), (3, 7167648), (4, 5375736), (6, 3583824), (8, 2687868), (9, 2389216), (12, 1791912), (16, 1343934), (18, 1194608), (24, 895956), (32, 671967), (36, 597304), (48, 447978), (72, 298652), (96, 223989), (144, 149326), (197, 109152), (288, 74663), (379, 56736), (394, 54576), (591, 36384), (758, 28368), (788, 27288), (1137, 18912), (1182, 18192), (1516, 14184), (1576, 13644), (1773, 12128), (2274, 9456), (2364, 9096), (3032, 7092), (3152, 6822), (3411, 6304), (3546, 6064), (4548, 4728)]