21651210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34367}}^1$

素因数の和:34387

約数の個数: 48

約数和(自身を含む): 64336896

約数和(自身を除く): 42685686

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 34367, 68734, 103101, 171835, 206202, 240569, 309303, 343670, 481138, 515505, 618606, 721707, 1031010, 1202845, 1443414, 1546515, 2165121, 2405690, 3093030, 3608535, 4330242, 7217070, 10825605, 21651210]

約数ペア:

[(1, 21651210), (2, 10825605), (3, 7217070), (5, 4330242), (6, 3608535), (7, 3093030), (9, 2405690), (10, 2165121), (14, 1546515), (15, 1443414), (18, 1202845), (21, 1031010), (30, 721707), (35, 618606), (42, 515505), (45, 481138), (63, 343670), (70, 309303), (90, 240569), (105, 206202), (126, 171835), (210, 103101), (315, 68734), (630, 34367)]