21349848

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1669}}^1$

素因数の和:1732

約数の個数: 64

約数和(自身を含む): 58917600

約数和(自身を除く): 37567752

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 104, 123, 156, 164, 246, 312, 328, 492, 533, 984, 1066, 1599, 1669, 2132, 3198, 3338, 4264, 5007, 6396, 6676, 10014, 12792, 13352, 20028, 21697, 40056, 43394, 65091, 68429, 86788, 130182, 136858, 173576, 205287, 260364, 273716, 410574, 520728, 547432, 821148, 889577, 1642296, 1779154, 2668731, 3558308, 5337462, 7116616, 10674924, 21349848]

約数ペア:

[(1, 21349848), (2, 10674924), (3, 7116616), (4, 5337462), (6, 3558308), (8, 2668731), (12, 1779154), (13, 1642296), (24, 889577), (26, 821148), (39, 547432), (41, 520728), (52, 410574), (78, 273716), (82, 260364), (104, 205287), (123, 173576), (156, 136858), (164, 130182), (246, 86788), (312, 68429), (328, 65091), (492, 43394), (533, 40056), (984, 21697), (1066, 20028), (1599, 13352), (1669, 12792), (2132, 10014), (3198, 6676), (3338, 6396), (4264, 5007)]