21879868668

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{555383}}^1$

素因数の和:555471

約数の個数: 72

約数和(自身を含む): 60274714752

約数和(自身を除く): 38394846084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 67, 84, 98, 134, 147, 196, 201, 268, 294, 402, 469, 588, 804, 938, 1407, 1876, 2814, 3283, 5628, 6566, 9849, 13132, 19698, 39396, 555383, 1110766, 1666149, 2221532, 3332298, 3887681, 6664596, 7775362, 11663043, 15550724, 23326086, 27213767, 37210661, 46652172, 54427534, 74421322, 81641301, 108855068, 111631983, 148842644, 163282602, 223263966, 260474627, 326565204, 446527932, 520949254, 781423881, 1041898508, 1562847762, 1823322389, 3125695524, 3646644778, 5469967167, 7293289556, 10939934334, 21879868668]

約数ペア:

[(1, 21879868668), (2, 10939934334), (3, 7293289556), (4, 5469967167), (6, 3646644778), (7, 3125695524), (12, 1823322389), (14, 1562847762), (21, 1041898508), (28, 781423881), (42, 520949254), (49, 446527932), (67, 326565204), (84, 260474627), (98, 223263966), (134, 163282602), (147, 148842644), (196, 111631983), (201, 108855068), (268, 81641301), (294, 74421322), (402, 54427534), (469, 46652172), (588, 37210661), (804, 27213767), (938, 23326086), (1407, 15550724), (1876, 11663043), (2814, 7775362), (3283, 6664596), (5628, 3887681), (6566, 3332298), (9849, 2221532), (13132, 1666149), (19698, 1110766), (39396, 555383)]