21354632

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 24912568

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 101, 104, 107, 152, 202, 214, 247, 404, 428, 494, 808, 856, 988, 1313, 1391, 1919, 1976, 2033, 2626, 2782, 3838, 4066, 5252, 5564, 7676, 8132, 10504, 10807, 11128, 15352, 16264, 21614, 24947, 26429, 43228, 49894, 52858, 86456, 99788, 105716, 140491, 199576, 205333, 211432, 280982, 410666, 561964, 821332, 1123928, 1642664, 2669329, 5338658, 10677316, 21354632]

約数ペア:

[(1, 21354632), (2, 10677316), (4, 5338658), (8, 2669329), (13, 1642664), (19, 1123928), (26, 821332), (38, 561964), (52, 410666), (76, 280982), (101, 211432), (104, 205333), (107, 199576), (152, 140491), (202, 105716), (214, 99788), (247, 86456), (404, 52858), (428, 49894), (494, 43228), (808, 26429), (856, 24947), (988, 21614), (1313, 16264), (1391, 15352), (1919, 11128), (1976, 10807), (2033, 10504), (2626, 8132), (2782, 7676), (3838, 5564), (4066, 5252)]