21110868

素因数分解:

$2^2\times 3^5\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 56932512

約数和(自身を除く): 35821644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 243, 324, 333, 444, 486, 587, 666, 972, 999, 1174, 1332, 1761, 1998, 2348, 2997, 3522, 3996, 5283, 5994, 7044, 8991, 10566, 11988, 15849, 17982, 21132, 21719, 31698, 35964, 43438, 47547, 63396, 65157, 86876, 95094, 130314, 142641, 190188, 195471, 260628, 285282, 390942, 570564, 586413, 781884, 1172826, 1759239, 2345652, 3518478, 5277717, 7036956, 10555434, 21110868]

約数ペア:

[(1, 21110868), (2, 10555434), (3, 7036956), (4, 5277717), (6, 3518478), (9, 2345652), (12, 1759239), (18, 1172826), (27, 781884), (36, 586413), (37, 570564), (54, 390942), (74, 285282), (81, 260628), (108, 195471), (111, 190188), (148, 142641), (162, 130314), (222, 95094), (243, 86876), (324, 65157), (333, 63396), (444, 47547), (486, 43438), (587, 35964), (666, 31698), (972, 21719), (999, 21132), (1174, 17982), (1332, 15849), (1761, 11988), (1998, 10566), (2348, 8991), (2997, 7044), (3522, 5994), (3996, 5283)]