21953136

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 59710464

約数和(自身を除く): 37757328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 47, 48, 74, 94, 111, 141, 148, 188, 222, 263, 282, 296, 376, 444, 526, 564, 592, 752, 789, 888, 1052, 1128, 1578, 1739, 1776, 2104, 2256, 3156, 3478, 4208, 5217, 6312, 6956, 9731, 10434, 12361, 12624, 13912, 19462, 20868, 24722, 27824, 29193, 37083, 38924, 41736, 49444, 58386, 74166, 77848, 83472, 98888, 116772, 148332, 155696, 197776, 233544, 296664, 457357, 467088, 593328, 914714, 1372071, 1829428, 2744142, 3658856, 5488284, 7317712, 10976568, 21953136]

約数ペア:

[(1, 21953136), (2, 10976568), (3, 7317712), (4, 5488284), (6, 3658856), (8, 2744142), (12, 1829428), (16, 1372071), (24, 914714), (37, 593328), (47, 467088), (48, 457357), (74, 296664), (94, 233544), (111, 197776), (141, 155696), (148, 148332), (188, 116772), (222, 98888), (263, 83472), (282, 77848), (296, 74166), (376, 58386), (444, 49444), (526, 41736), (564, 38924), (592, 37083), (752, 29193), (789, 27824), (888, 24722), (1052, 20868), (1128, 19462), (1578, 13912), (1739, 12624), (1776, 12361), (2104, 10434), (2256, 9731), (3156, 6956), (3478, 6312), (4208, 5217)]