21398202

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{8087}}^1$

素因数の和:8112

約数の個数: 48

約数和(自身を含む): 55321920

約数和(自身を除く): 33923718

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 8087, 16174, 24261, 48522, 56609, 72783, 113218, 145566, 169827, 218349, 339654, 396263, 436698, 509481, 792526, 1018962, 1188789, 1528443, 2377578, 3056886, 3566367, 7132734, 10699101, 21398202]

約数ペア:

[(1, 21398202), (2, 10699101), (3, 7132734), (6, 3566367), (7, 3056886), (9, 2377578), (14, 1528443), (18, 1188789), (21, 1018962), (27, 792526), (42, 509481), (49, 436698), (54, 396263), (63, 339654), (98, 218349), (126, 169827), (147, 145566), (189, 113218), (294, 72783), (378, 56609), (441, 48522), (882, 24261), (1323, 16174), (2646, 8087)]