21527352

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{353}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 73447920

約数和(自身を除く): 51920568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 56, 63, 66, 72, 77, 84, 88, 99, 121, 126, 132, 154, 168, 198, 231, 242, 252, 264, 308, 353, 363, 396, 462, 484, 504, 616, 693, 706, 726, 792, 847, 924, 968, 1059, 1089, 1386, 1412, 1452, 1694, 1848, 2118, 2178, 2471, 2541, 2772, 2824, 2904, 3177, 3388, 3883, 4236, 4356, 4942, 5082, 5544, 6354, 6776, 7413, 7623, 7766, 8472, 8712, 9884, 10164, 11649, 12708, 14826, 15246, 15532, 19768, 20328, 22239, 23298, 25416, 27181, 29652, 30492, 31064, 34947, 42713, 44478, 46596, 54362, 59304, 60984, 69894, 81543, 85426, 88956, 93192, 108724, 128139, 139788, 163086, 170852, 177912, 217448, 244629, 256278, 279576, 298991, 326172, 341704, 384417, 489258, 512556, 597982, 652344, 768834, 896973, 978516, 1025112, 1195964, 1537668, 1793946, 1957032, 2391928, 2690919, 3075336, 3587892, 5381838, 7175784, 10763676, 21527352]

約数ペア:

[(1, 21527352), (2, 10763676), (3, 7175784), (4, 5381838), (6, 3587892), (7, 3075336), (8, 2690919), (9, 2391928), (11, 1957032), (12, 1793946), (14, 1537668), (18, 1195964), (21, 1025112), (22, 978516), (24, 896973), (28, 768834), (33, 652344), (36, 597982), (42, 512556), (44, 489258), (56, 384417), (63, 341704), (66, 326172), (72, 298991), (77, 279576), (84, 256278), (88, 244629), (99, 217448), (121, 177912), (126, 170852), (132, 163086), (154, 139788), (168, 128139), (198, 108724), (231, 93192), (242, 88956), (252, 85426), (264, 81543), (308, 69894), (353, 60984), (363, 59304), (396, 54362), (462, 46596), (484, 44478), (504, 42713), (616, 34947), (693, 31064), (706, 30492), (726, 29652), (792, 27181), (847, 25416), (924, 23298), (968, 22239), (1059, 20328), (1089, 19768), (1386, 15532), (1412, 15246), (1452, 14826), (1694, 12708), (1848, 11649), (2118, 10164), (2178, 9884), (2471, 8712), (2541, 8472), (2772, 7766), (2824, 7623), (2904, 7413), (3177, 6776), (3388, 6354), (3883, 5544), (4236, 5082), (4356, 4942)]