21371496

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 56306880

約数和(自身を除く): 34935384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 41, 74, 82, 111, 123, 148, 164, 222, 246, 296, 328, 444, 492, 587, 888, 984, 1174, 1517, 1761, 2348, 3034, 3522, 4551, 4696, 6068, 7044, 9102, 12136, 14088, 18204, 21719, 24067, 36408, 43438, 48134, 65157, 72201, 86876, 96268, 130314, 144402, 173752, 192536, 260628, 288804, 521256, 577608, 890479, 1780958, 2671437, 3561916, 5342874, 7123832, 10685748, 21371496]

約数ペア:

[(1, 21371496), (2, 10685748), (3, 7123832), (4, 5342874), (6, 3561916), (8, 2671437), (12, 1780958), (24, 890479), (37, 577608), (41, 521256), (74, 288804), (82, 260628), (111, 192536), (123, 173752), (148, 144402), (164, 130314), (222, 96268), (246, 86876), (296, 72201), (328, 65157), (444, 48134), (492, 43438), (587, 36408), (888, 24067), (984, 21719), (1174, 18204), (1517, 14088), (1761, 12136), (2348, 9102), (3034, 7044), (3522, 6068), (4551, 4696)]