21760740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2281}}^1$

素因数の和:2349

約数の個数: 72

約数和(自身を含む): 67282488

約数和(自身を除く): 45521748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2281, 2385, 3180, 4562, 4770, 6843, 9124, 9540, 11405, 13686, 20529, 22810, 27372, 34215, 41058, 45620, 68430, 82116, 102645, 120893, 136860, 205290, 241786, 362679, 410580, 483572, 604465, 725358, 1088037, 1208930, 1450716, 1813395, 2176074, 2417860, 3626790, 4352148, 5440185, 7253580, 10880370, 21760740]

約数ペア:

[(1, 21760740), (2, 10880370), (3, 7253580), (4, 5440185), (5, 4352148), (6, 3626790), (9, 2417860), (10, 2176074), (12, 1813395), (15, 1450716), (18, 1208930), (20, 1088037), (30, 725358), (36, 604465), (45, 483572), (53, 410580), (60, 362679), (90, 241786), (106, 205290), (159, 136860), (180, 120893), (212, 102645), (265, 82116), (318, 68430), (477, 45620), (530, 41058), (636, 34215), (795, 27372), (954, 22810), (1060, 20529), (1590, 13686), (1908, 11405), (2281, 9540), (2385, 9124), (3180, 6843), (4562, 4770)]