21228696

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{3389}}^1$

素因数の和:3433

約数の個数: 64

約数和(自身を含む): 61020000

約数和(自身を除く): 39791304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 87, 108, 116, 174, 216, 232, 261, 348, 522, 696, 783, 1044, 1566, 2088, 3132, 3389, 6264, 6778, 10167, 13556, 20334, 27112, 30501, 40668, 61002, 81336, 91503, 98281, 122004, 183006, 196562, 244008, 294843, 366012, 393124, 589686, 732024, 786248, 884529, 1179372, 1769058, 2358744, 2653587, 3538116, 5307174, 7076232, 10614348, 21228696]

約数ペア:

[(1, 21228696), (2, 10614348), (3, 7076232), (4, 5307174), (6, 3538116), (8, 2653587), (9, 2358744), (12, 1769058), (18, 1179372), (24, 884529), (27, 786248), (29, 732024), (36, 589686), (54, 393124), (58, 366012), (72, 294843), (87, 244008), (108, 196562), (116, 183006), (174, 122004), (216, 98281), (232, 91503), (261, 81336), (348, 61002), (522, 40668), (696, 30501), (783, 27112), (1044, 20334), (1566, 13556), (2088, 10167), (3132, 6778), (3389, 6264)]