21982324

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 47811456

約数和(自身を除く): 25829132

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 131, 182, 262, 364, 461, 524, 917, 922, 1703, 1834, 1844, 3227, 3406, 3668, 5993, 6454, 6812, 11921, 11986, 12908, 23842, 23972, 41951, 47684, 60391, 83902, 120782, 167804, 241564, 422737, 785083, 845474, 1570166, 1690948, 3140332, 5495581, 10991162, 21982324]

約数ペア:

[(1, 21982324), (2, 10991162), (4, 5495581), (7, 3140332), (13, 1690948), (14, 1570166), (26, 845474), (28, 785083), (52, 422737), (91, 241564), (131, 167804), (182, 120782), (262, 83902), (364, 60391), (461, 47684), (524, 41951), (917, 23972), (922, 23842), (1703, 12908), (1834, 11986), (1844, 11921), (3227, 6812), (3406, 6454), (3668, 5993)]