21007416

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 55349280

約数和(自身を除く): 34341864

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, 577, 888, 984, 1154, 1517, 1731, 2308, 3034, 3462, 4551, 4616, 6068, 6924, 9102, 12136, 13848, 18204, 21349, 23657, 36408, 42698, 47314, 64047, 70971, 85396, 94628, 128094, 141942, 170792, 189256, 256188, 283884, 512376, 567768, 875309, 1750618, 2625927, 3501236, 5251854, 7002472, 10503708, 21007416]

約数ペア:

[(1, 21007416), (2, 10503708), (3, 7002472), (4, 5251854), (6, 3501236), (8, 2625927), (12, 1750618), (24, 875309), (37, 567768), (41, 512376), (74, 283884), (82, 256188), (111, 189256), (123, 170792), (148, 141942), (164, 128094), (222, 94628), (246, 85396), (296, 70971), (328, 64047), (444, 47314), (492, 42698), (577, 36408), (888, 23657), (984, 21349), (1154, 18204), (1517, 13848), (1731, 12136), (2308, 9102), (3034, 6924), (3462, 6068), (4551, 4616)]