21859040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{673}}^1$

素因数の和:724

約数の個数: 96

約数和(自身を含む): 61145280

約数和(自身を除く): 39286240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 406, 464, 560, 580, 673, 812, 928, 1015, 1120, 1160, 1346, 1624, 2030, 2320, 2692, 3248, 3365, 4060, 4640, 4711, 5384, 6496, 6730, 8120, 9422, 10768, 13460, 16240, 18844, 19517, 21536, 23555, 26920, 32480, 37688, 39034, 47110, 53840, 75376, 78068, 94220, 97585, 107680, 136619, 150752, 156136, 188440, 195170, 273238, 312272, 376880, 390340, 546476, 624544, 683095, 753760, 780680, 1092952, 1366190, 1561360, 2185904, 2732380, 3122720, 4371808, 5464760, 10929520, 21859040]

約数ペア:

[(1, 21859040), (2, 10929520), (4, 5464760), (5, 4371808), (7, 3122720), (8, 2732380), (10, 2185904), (14, 1561360), (16, 1366190), (20, 1092952), (28, 780680), (29, 753760), (32, 683095), (35, 624544), (40, 546476), (56, 390340), (58, 376880), (70, 312272), (80, 273238), (112, 195170), (116, 188440), (140, 156136), (145, 150752), (160, 136619), (203, 107680), (224, 97585), (232, 94220), (280, 78068), (290, 75376), (406, 53840), (464, 47110), (560, 39034), (580, 37688), (673, 32480), (812, 26920), (928, 23555), (1015, 21536), (1120, 19517), (1160, 18844), (1346, 16240), (1624, 13460), (2030, 10768), (2320, 9422), (2692, 8120), (3248, 6730), (3365, 6496), (4060, 5384), (4640, 4711)]