21885864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{911}}^1$

素因数の和:951

約数の個数: 128

約数和(自身を含む): 73543680

約数和(自身を除く): 51657816

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 33, 39, 42, 44, 52, 56, 66, 77, 78, 84, 88, 91, 104, 132, 143, 154, 156, 168, 182, 231, 264, 273, 286, 308, 312, 364, 429, 462, 546, 572, 616, 728, 858, 911, 924, 1001, 1092, 1144, 1716, 1822, 1848, 2002, 2184, 2733, 3003, 3432, 3644, 4004, 5466, 6006, 6377, 7288, 8008, 10021, 10932, 11843, 12012, 12754, 19131, 20042, 21864, 23686, 24024, 25508, 30063, 35529, 38262, 40084, 47372, 51016, 60126, 70147, 71058, 76524, 80168, 82901, 94744, 120252, 130273, 140294, 142116, 153048, 165802, 210441, 240504, 248703, 260546, 280588, 284232, 331604, 390819, 420882, 497406, 521092, 561176, 663208, 781638, 841764, 911911, 994812, 1042184, 1563276, 1683528, 1823822, 1989624, 2735733, 3126552, 3647644, 5471466, 7295288, 10942932, 21885864]

約数ペア:

[(1, 21885864), (2, 10942932), (3, 7295288), (4, 5471466), (6, 3647644), (7, 3126552), (8, 2735733), (11, 1989624), (12, 1823822), (13, 1683528), (14, 1563276), (21, 1042184), (22, 994812), (24, 911911), (26, 841764), (28, 781638), (33, 663208), (39, 561176), (42, 521092), (44, 497406), (52, 420882), (56, 390819), (66, 331604), (77, 284232), (78, 280588), (84, 260546), (88, 248703), (91, 240504), (104, 210441), (132, 165802), (143, 153048), (154, 142116), (156, 140294), (168, 130273), (182, 120252), (231, 94744), (264, 82901), (273, 80168), (286, 76524), (308, 71058), (312, 70147), (364, 60126), (429, 51016), (462, 47372), (546, 40084), (572, 38262), (616, 35529), (728, 30063), (858, 25508), (911, 24024), (924, 23686), (1001, 21864), (1092, 20042), (1144, 19131), (1716, 12754), (1822, 12012), (1848, 11843), (2002, 10932), (2184, 10021), (2733, 8008), (3003, 7288), (3432, 6377), (3644, 6006), (4004, 5466)]