21133266

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 32089134

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 149, 154, 231, 298, 307, 447, 462, 614, 894, 921, 1043, 1639, 1842, 2086, 2149, 3129, 3278, 3377, 4298, 4917, 6258, 6447, 6754, 9834, 10131, 11473, 12894, 20262, 22946, 23639, 34419, 45743, 47278, 68838, 70917, 91486, 137229, 141834, 274458, 320201, 503173, 640402, 960603, 1006346, 1509519, 1921206, 3019038, 3522211, 7044422, 10566633, 21133266]

約数ペア:

[(1, 21133266), (2, 10566633), (3, 7044422), (6, 3522211), (7, 3019038), (11, 1921206), (14, 1509519), (21, 1006346), (22, 960603), (33, 640402), (42, 503173), (66, 320201), (77, 274458), (149, 141834), (154, 137229), (231, 91486), (298, 70917), (307, 68838), (447, 47278), (462, 45743), (614, 34419), (894, 23639), (921, 22946), (1043, 20262), (1639, 12894), (1842, 11473), (2086, 10131), (2149, 9834), (3129, 6754), (3278, 6447), (3377, 6258), (4298, 4917)]