21678294

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{653}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 47464704

約数和(自身を除く): 25786410

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 503, 653, 1006, 1306, 1509, 1959, 3018, 3918, 5533, 7183, 11066, 14366, 16599, 21549, 33198, 43098, 328459, 656918, 985377, 1970754, 3613049, 7226098, 10839147, 21678294]

約数ペア:

[(1, 21678294), (2, 10839147), (3, 7226098), (6, 3613049), (11, 1970754), (22, 985377), (33, 656918), (66, 328459), (503, 43098), (653, 33198), (1006, 21549), (1306, 16599), (1509, 14366), (1959, 11066), (3018, 7183), (3918, 5533)]