21403899

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3793}}^1$

素因数の和:3832

約数の個数: 32

約数和(自身を含む): 36422400

約数和(自身を除く): 15018501

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3793, 5643, 11379, 34137, 41723, 72067, 102411, 125169, 216201, 375507, 648603, 792737, 1126521, 1945809, 2378211, 7134633, 21403899]

約数ペア:

[(1, 21403899), (3, 7134633), (9, 2378211), (11, 1945809), (19, 1126521), (27, 792737), (33, 648603), (57, 375507), (99, 216201), (171, 125169), (209, 102411), (297, 72067), (513, 41723), (627, 34137), (1881, 11379), (3793, 5643)]