21637070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 50595840

約数和(自身を除く): 28958770

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 59, 62, 65, 70, 91, 118, 130, 155, 169, 182, 217, 295, 310, 338, 403, 413, 434, 455, 590, 767, 806, 826, 845, 910, 1085, 1183, 1534, 1690, 1829, 2015, 2065, 2170, 2366, 2821, 3658, 3835, 4030, 4130, 5239, 5369, 5642, 5915, 7670, 9145, 9971, 10478, 10738, 11830, 12803, 14105, 18290, 19942, 23777, 25606, 26195, 26845, 28210, 36673, 47554, 49855, 52390, 53690, 64015, 69797, 73346, 99710, 118885, 128030, 139594, 166439, 183365, 237770, 309101, 332878, 348985, 366730, 618202, 697970, 832195, 1545505, 1664390, 2163707, 3091010, 4327414, 10818535, 21637070]

約数ペア:

[(1, 21637070), (2, 10818535), (5, 4327414), (7, 3091010), (10, 2163707), (13, 1664390), (14, 1545505), (26, 832195), (31, 697970), (35, 618202), (59, 366730), (62, 348985), (65, 332878), (70, 309101), (91, 237770), (118, 183365), (130, 166439), (155, 139594), (169, 128030), (182, 118885), (217, 99710), (295, 73346), (310, 69797), (338, 64015), (403, 53690), (413, 52390), (434, 49855), (455, 47554), (590, 36673), (767, 28210), (806, 26845), (826, 26195), (845, 25606), (910, 23777), (1085, 19942), (1183, 18290), (1534, 14105), (1690, 12803), (1829, 11830), (2015, 10738), (2065, 10478), (2170, 9971), (2366, 9145), (2821, 7670), (3658, 5915), (3835, 5642), (4030, 5369), (4130, 5239)]