21208698

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{168323}}^1$

素因数の和:168338

約数の個数: 24

約数和(自身を含む): 52517088

約数和(自身を除く): 31308390

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 168323, 336646, 504969, 1009938, 1178261, 1514907, 2356522, 3029814, 3534783, 7069566, 10604349, 21208698]

約数ペア:

[(1, 21208698), (2, 10604349), (3, 7069566), (6, 3534783), (7, 3029814), (9, 2356522), (14, 1514907), (18, 1178261), (21, 1009938), (42, 504969), (63, 336646), (126, 168323)]