21153384

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 70418400

約数和(自身を除く): 49265016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 47, 56, 57, 63, 72, 76, 84, 94, 114, 126, 133, 141, 152, 168, 171, 188, 228, 252, 266, 282, 329, 342, 376, 399, 423, 456, 504, 532, 564, 658, 684, 798, 846, 893, 987, 1064, 1128, 1197, 1316, 1368, 1596, 1692, 1786, 1974, 2209, 2394, 2632, 2679, 2961, 3192, 3384, 3572, 3948, 4418, 4788, 5358, 5922, 6251, 6627, 7144, 7896, 8037, 8836, 9576, 10716, 11844, 12502, 13254, 15463, 16074, 17672, 18753, 19881, 21432, 23688, 25004, 26508, 30926, 32148, 37506, 39762, 41971, 46389, 50008, 53016, 56259, 61852, 64296, 75012, 79524, 83942, 92778, 112518, 123704, 125913, 139167, 150024, 159048, 167884, 185556, 225036, 251826, 278334, 293797, 335768, 371112, 377739, 450072, 503652, 556668, 587594, 755478, 881391, 1007304, 1113336, 1175188, 1510956, 1762782, 2350376, 2644173, 3021912, 3525564, 5288346, 7051128, 10576692, 21153384]

約数ペア:

[(1, 21153384), (2, 10576692), (3, 7051128), (4, 5288346), (6, 3525564), (7, 3021912), (8, 2644173), (9, 2350376), (12, 1762782), (14, 1510956), (18, 1175188), (19, 1113336), (21, 1007304), (24, 881391), (28, 755478), (36, 587594), (38, 556668), (42, 503652), (47, 450072), (56, 377739), (57, 371112), (63, 335768), (72, 293797), (76, 278334), (84, 251826), (94, 225036), (114, 185556), (126, 167884), (133, 159048), (141, 150024), (152, 139167), (168, 125913), (171, 123704), (188, 112518), (228, 92778), (252, 83942), (266, 79524), (282, 75012), (329, 64296), (342, 61852), (376, 56259), (399, 53016), (423, 50008), (456, 46389), (504, 41971), (532, 39762), (564, 37506), (658, 32148), (684, 30926), (798, 26508), (846, 25004), (893, 23688), (987, 21432), (1064, 19881), (1128, 18753), (1197, 17672), (1316, 16074), (1368, 15463), (1596, 13254), (1692, 12502), (1786, 11844), (1974, 10716), (2209, 9576), (2394, 8836), (2632, 8037), (2679, 7896), (2961, 7144), (3192, 6627), (3384, 6251), (3572, 5922), (3948, 5358), (4418, 4788)]