21674328

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 58920960

約数和(自身を除く): 37246632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 127, 156, 254, 312, 381, 508, 547, 762, 1016, 1094, 1524, 1641, 1651, 2188, 3048, 3282, 3302, 4376, 4953, 6564, 6604, 7111, 9906, 13128, 13208, 14222, 19812, 21333, 28444, 39624, 42666, 56888, 69469, 85332, 138938, 170664, 208407, 277876, 416814, 555752, 833628, 903097, 1667256, 1806194, 2709291, 3612388, 5418582, 7224776, 10837164, 21674328]

約数ペア:

[(1, 21674328), (2, 10837164), (3, 7224776), (4, 5418582), (6, 3612388), (8, 2709291), (12, 1806194), (13, 1667256), (24, 903097), (26, 833628), (39, 555752), (52, 416814), (78, 277876), (104, 208407), (127, 170664), (156, 138938), (254, 85332), (312, 69469), (381, 56888), (508, 42666), (547, 39624), (762, 28444), (1016, 21333), (1094, 19812), (1524, 14222), (1641, 13208), (1651, 13128), (2188, 9906), (3048, 7111), (3282, 6604), (3302, 6564), (4376, 4953)]