21341264

素因数分解:

$2^4\times 7^2\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:352

約数の個数: 60

約数和(自身を含む): 48684384

約数和(自身を除く): 27343120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 163, 167, 196, 326, 334, 392, 652, 668, 784, 1141, 1169, 1304, 1336, 2282, 2338, 2608, 2672, 4564, 4676, 7987, 8183, 9128, 9352, 15974, 16366, 18256, 18704, 27221, 31948, 32732, 54442, 63896, 65464, 108884, 127792, 130928, 190547, 217768, 381094, 435536, 762188, 1333829, 1524376, 2667658, 3048752, 5335316, 10670632, 21341264]

約数ペア:

[(1, 21341264), (2, 10670632), (4, 5335316), (7, 3048752), (8, 2667658), (14, 1524376), (16, 1333829), (28, 762188), (49, 435536), (56, 381094), (98, 217768), (112, 190547), (163, 130928), (167, 127792), (196, 108884), (326, 65464), (334, 63896), (392, 54442), (652, 32732), (668, 31948), (784, 27221), (1141, 18704), (1169, 18256), (1304, 16366), (1336, 15974), (2282, 9352), (2338, 9128), (2608, 8183), (2672, 7987), (4564, 4676)]