21564301920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6417947}}^1$

素因数の和:6417972

約数の個数: 96

約数和(自身を含む): 77631499008

約数和(自身を除く): 56067197088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6417947, 12835894, 19253841, 25671788, 32089735, 38507682, 44925629, 51343576, 64179470, 77015364, 89851258, 96269205, 102687152, 128358940, 134776887, 154030728, 179702516, 192538410, 205374304, 224628145, 256717880, 269553774, 308061456, 359405032, 385076820, 449256290, 513435760, 539107548, 616122912, 673884435, 718810064, 770153640, 898512580, 1026871520, 1078215096, 1347768870, 1437620128, 1540307280, 1797025160, 2156430192, 2695537740, 3080614560, 3594050320, 4312860384, 5391075480, 7188100640, 10782150960, 21564301920]

約数ペア:

[(1, 21564301920), (2, 10782150960), (3, 7188100640), (4, 5391075480), (5, 4312860384), (6, 3594050320), (7, 3080614560), (8, 2695537740), (10, 2156430192), (12, 1797025160), (14, 1540307280), (15, 1437620128), (16, 1347768870), (20, 1078215096), (21, 1026871520), (24, 898512580), (28, 770153640), (30, 718810064), (32, 673884435), (35, 616122912), (40, 539107548), (42, 513435760), (48, 449256290), (56, 385076820), (60, 359405032), (70, 308061456), (80, 269553774), (84, 256717880), (96, 224628145), (105, 205374304), (112, 192538410), (120, 179702516), (140, 154030728), (160, 134776887), (168, 128358940), (210, 102687152), (224, 96269205), (240, 89851258), (280, 77015364), (336, 64179470), (420, 51343576), (480, 44925629), (560, 38507682), (672, 32089735), (840, 25671788), (1120, 19253841), (1680, 12835894), (3360, 6417947)]