21736560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 70526736

約数和(自身を除く): 48790176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 47, 48, 60, 80, 82, 94, 120, 123, 141, 164, 188, 205, 235, 240, 246, 282, 328, 376, 410, 470, 492, 564, 615, 656, 705, 752, 820, 940, 984, 1128, 1230, 1410, 1640, 1880, 1927, 1968, 2209, 2256, 2460, 2820, 3280, 3760, 3854, 4418, 4920, 5640, 5781, 6627, 7708, 8836, 9635, 9840, 11045, 11280, 11562, 13254, 15416, 17672, 19270, 22090, 23124, 26508, 28905, 30832, 33135, 35344, 38540, 44180, 46248, 53016, 57810, 66270, 77080, 88360, 90569, 92496, 106032, 115620, 132540, 154160, 176720, 181138, 231240, 265080, 271707, 362276, 452845, 462480, 530160, 543414, 724552, 905690, 1086828, 1358535, 1449104, 1811380, 2173656, 2717070, 3622760, 4347312, 5434140, 7245520, 10868280, 21736560]

約数ペア:

[(1, 21736560), (2, 10868280), (3, 7245520), (4, 5434140), (5, 4347312), (6, 3622760), (8, 2717070), (10, 2173656), (12, 1811380), (15, 1449104), (16, 1358535), (20, 1086828), (24, 905690), (30, 724552), (40, 543414), (41, 530160), (47, 462480), (48, 452845), (60, 362276), (80, 271707), (82, 265080), (94, 231240), (120, 181138), (123, 176720), (141, 154160), (164, 132540), (188, 115620), (205, 106032), (235, 92496), (240, 90569), (246, 88360), (282, 77080), (328, 66270), (376, 57810), (410, 53016), (470, 46248), (492, 44180), (564, 38540), (615, 35344), (656, 33135), (705, 30832), (752, 28905), (820, 26508), (940, 23124), (984, 22090), (1128, 19270), (1230, 17672), (1410, 15416), (1640, 13254), (1880, 11562), (1927, 11280), (1968, 11045), (2209, 9840), (2256, 9635), (2460, 8836), (2820, 7708), (3280, 6627), (3760, 5781), (3854, 5640), (4418, 4920)]