21915828

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{55343}}^1$

素因数の和:55364

約数の個数: 36

約数和(自身を含む): 60435648

約数和(自身を除く): 38519820

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 55343, 110686, 166029, 221372, 332058, 498087, 608773, 664116, 996174, 1217546, 1826319, 1992348, 2435092, 3652638, 5478957, 7305276, 10957914, 21915828]

約数ペア:

[(1, 21915828), (2, 10957914), (3, 7305276), (4, 5478957), (6, 3652638), (9, 2435092), (11, 1992348), (12, 1826319), (18, 1217546), (22, 996174), (33, 664116), (36, 608773), (44, 498087), (66, 332058), (99, 221372), (132, 166029), (198, 110686), (396, 55343)]