21632811

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 32832000

約数和(自身を除く): 11199189

約数列:

[1, 3, 19, 23, 29, 57, 69, 87, 437, 551, 569, 667, 1311, 1653, 1707, 2001, 10811, 12673, 13087, 16501, 32433, 38019, 39261, 49503, 248653, 313519, 379523, 745959, 940557, 1138569, 7210937, 21632811]

約数ペア:

[(1, 21632811), (3, 7210937), (19, 1138569), (23, 940557), (29, 745959), (57, 379523), (69, 313519), (87, 248653), (437, 49503), (551, 39261), (569, 38019), (667, 32433), (1311, 16501), (1653, 13087), (1707, 12673), (2001, 10811)]