21370716

素因数分解:

$2^2\times 3^4\times {\mathrm{71}}^1\times {\mathrm{929}}^1$

素因数の和:1016

約数の個数: 60

約数和(自身を含む): 56715120

約数和(自身を除く): 35344404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 284, 324, 426, 639, 852, 929, 1278, 1858, 1917, 2556, 2787, 3716, 3834, 5574, 5751, 7668, 8361, 11148, 11502, 16722, 23004, 25083, 33444, 50166, 65959, 75249, 100332, 131918, 150498, 197877, 263836, 300996, 395754, 593631, 791508, 1187262, 1780893, 2374524, 3561786, 5342679, 7123572, 10685358, 21370716]

約数ペア:

[(1, 21370716), (2, 10685358), (3, 7123572), (4, 5342679), (6, 3561786), (9, 2374524), (12, 1780893), (18, 1187262), (27, 791508), (36, 593631), (54, 395754), (71, 300996), (81, 263836), (108, 197877), (142, 150498), (162, 131918), (213, 100332), (284, 75249), (324, 65959), (426, 50166), (639, 33444), (852, 25083), (929, 23004), (1278, 16722), (1858, 11502), (1917, 11148), (2556, 8361), (2787, 7668), (3716, 5751), (3834, 5574)]