21299070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4201}}^1$

素因数の和:4237

約数の個数: 48

約数和(自身を含む): 55365552

約数和(自身を除く): 34066482

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 4201, 5070, 8402, 12603, 21005, 25206, 42010, 54613, 63015, 109226, 126030, 163839, 273065, 327678, 546130, 709969, 819195, 1419938, 1638390, 2129907, 3549845, 4259814, 7099690, 10649535, 21299070]

約数ペア:

[(1, 21299070), (2, 10649535), (3, 7099690), (5, 4259814), (6, 3549845), (10, 2129907), (13, 1638390), (15, 1419938), (26, 819195), (30, 709969), (39, 546130), (65, 327678), (78, 273065), (130, 163839), (169, 126030), (195, 109226), (338, 63015), (390, 54613), (507, 42010), (845, 25206), (1014, 21005), (1690, 12603), (2535, 8402), (4201, 5070)]