21189126

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6911}}^1$

素因数の和:6996

約数の個数: 32

約数和(自身を含む): 49102848

約数和(自身を除く): 27913722

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6911, 13822, 20733, 41466, 48377, 96754, 145131, 290262, 504503, 1009006, 1513509, 3027018, 3531521, 7063042, 10594563, 21189126]

約数ペア:

[(1, 21189126), (2, 10594563), (3, 7063042), (6, 3531521), (7, 3027018), (14, 1513509), (21, 1009006), (42, 504503), (73, 290262), (146, 145131), (219, 96754), (438, 48377), (511, 41466), (1022, 20733), (1533, 13822), (3066, 6911)]