21703392

素因数分解:

$2^5\times 3^2\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:616

約数の個数: 72

約数和(自身を含む): 62211240

約数和(自身を除く): 40507848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 179, 288, 358, 421, 537, 716, 842, 1074, 1263, 1432, 1611, 1684, 2148, 2526, 2864, 3222, 3368, 3789, 4296, 5052, 5728, 6444, 6736, 7578, 8592, 10104, 12888, 13472, 15156, 17184, 20208, 25776, 30312, 40416, 51552, 60624, 75359, 121248, 150718, 226077, 301436, 452154, 602872, 678231, 904308, 1205744, 1356462, 1808616, 2411488, 2712924, 3617232, 5425848, 7234464, 10851696, 21703392]

約数ペア:

[(1, 21703392), (2, 10851696), (3, 7234464), (4, 5425848), (6, 3617232), (8, 2712924), (9, 2411488), (12, 1808616), (16, 1356462), (18, 1205744), (24, 904308), (32, 678231), (36, 602872), (48, 452154), (72, 301436), (96, 226077), (144, 150718), (179, 121248), (288, 75359), (358, 60624), (421, 51552), (537, 40416), (716, 30312), (842, 25776), (1074, 20208), (1263, 17184), (1432, 15156), (1611, 13472), (1684, 12888), (2148, 10104), (2526, 8592), (2864, 7578), (3222, 6736), (3368, 6444), (3789, 5728), (4296, 5052)]