21065490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 37640430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 97, 114, 127, 171, 190, 194, 254, 285, 291, 342, 381, 485, 570, 582, 635, 762, 855, 873, 970, 1143, 1270, 1455, 1710, 1746, 1843, 1905, 2286, 2413, 2910, 3686, 3810, 4365, 4826, 5529, 5715, 7239, 8730, 9215, 11058, 11430, 12065, 12319, 14478, 16587, 18430, 21717, 24130, 24638, 27645, 33174, 36195, 36957, 43434, 55290, 61595, 72390, 73914, 82935, 108585, 110871, 123190, 165870, 184785, 217170, 221742, 234061, 369570, 468122, 554355, 702183, 1108710, 1170305, 1404366, 2106549, 2340610, 3510915, 4213098, 7021830, 10532745, 21065490]

約数ペア:

[(1, 21065490), (2, 10532745), (3, 7021830), (5, 4213098), (6, 3510915), (9, 2340610), (10, 2106549), (15, 1404366), (18, 1170305), (19, 1108710), (30, 702183), (38, 554355), (45, 468122), (57, 369570), (90, 234061), (95, 221742), (97, 217170), (114, 184785), (127, 165870), (171, 123190), (190, 110871), (194, 108585), (254, 82935), (285, 73914), (291, 72390), (342, 61595), (381, 55290), (485, 43434), (570, 36957), (582, 36195), (635, 33174), (762, 27645), (855, 24638), (873, 24130), (970, 21717), (1143, 18430), (1270, 16587), (1455, 14478), (1710, 12319), (1746, 12065), (1843, 11430), (1905, 11058), (2286, 9215), (2413, 8730), (2910, 7239), (3686, 5715), (3810, 5529), (4365, 4826)]