21184740

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1453}}^1$

素因数の和:1480

約数の個数: 84

約数和(自身を含む): 66747324

約数和(自身を除く): 45562584

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1453, 1458, 1620, 2430, 2906, 2916, 3645, 4359, 4860, 5812, 7265, 7290, 8718, 13077, 14530, 14580, 17436, 21795, 26154, 29060, 39231, 43590, 52308, 65385, 78462, 87180, 117693, 130770, 156924, 196155, 235386, 261540, 353079, 392310, 470772, 588465, 706158, 784620, 1059237, 1176930, 1412316, 1765395, 2118474, 2353860, 3530790, 4236948, 5296185, 7061580, 10592370, 21184740]

約数ペア:

[(1, 21184740), (2, 10592370), (3, 7061580), (4, 5296185), (5, 4236948), (6, 3530790), (9, 2353860), (10, 2118474), (12, 1765395), (15, 1412316), (18, 1176930), (20, 1059237), (27, 784620), (30, 706158), (36, 588465), (45, 470772), (54, 392310), (60, 353079), (81, 261540), (90, 235386), (108, 196155), (135, 156924), (162, 130770), (180, 117693), (243, 87180), (270, 78462), (324, 65385), (405, 52308), (486, 43590), (540, 39231), (729, 29060), (810, 26154), (972, 21795), (1215, 17436), (1453, 14580), (1458, 14530), (1620, 13077), (2430, 8718), (2906, 7290), (2916, 7265), (3645, 5812), (4359, 4860)]