21995082

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 49140000

約数和(自身を除く): 27144918

約数列:

[1, 2, 3, 6, 9, 18, 59, 118, 139, 149, 177, 278, 298, 354, 417, 447, 531, 834, 894, 1062, 1251, 1341, 2502, 2682, 8201, 8791, 16402, 17582, 20711, 24603, 26373, 41422, 49206, 52746, 62133, 73809, 79119, 124266, 147618, 158238, 186399, 372798, 1221949, 2443898, 3665847, 7331694, 10997541, 21995082]

約数ペア:

[(1, 21995082), (2, 10997541), (3, 7331694), (6, 3665847), (9, 2443898), (18, 1221949), (59, 372798), (118, 186399), (139, 158238), (149, 147618), (177, 124266), (278, 79119), (298, 73809), (354, 62133), (417, 52746), (447, 49206), (531, 41422), (834, 26373), (894, 24603), (1062, 20711), (1251, 17582), (1341, 16402), (2502, 8791), (2682, 8201)]