21562338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3919}}^1$

素因数の和:4062

約数の個数: 32

約数和(自身を含む): 49674240

約数和(自身を除く): 28111902

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 262, 393, 786, 917, 1834, 2751, 3919, 5502, 7838, 11757, 23514, 27433, 54866, 82299, 164598, 513389, 1026778, 1540167, 3080334, 3593723, 7187446, 10781169, 21562338]

約数ペア:

[(1, 21562338), (2, 10781169), (3, 7187446), (6, 3593723), (7, 3080334), (14, 1540167), (21, 1026778), (42, 513389), (131, 164598), (262, 82299), (393, 54866), (786, 27433), (917, 23514), (1834, 11757), (2751, 7838), (3919, 5502)]