21082698

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 57412992

約数和(自身を除く): 36330294

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 61, 63, 78, 91, 117, 122, 126, 182, 183, 211, 234, 273, 366, 422, 427, 546, 549, 633, 793, 819, 854, 1098, 1266, 1281, 1477, 1586, 1638, 1899, 2379, 2562, 2743, 2954, 3798, 3843, 4431, 4758, 5486, 5551, 7137, 7686, 8229, 8862, 11102, 12871, 13293, 14274, 16458, 16653, 19201, 24687, 25742, 26586, 33306, 38402, 38613, 49374, 49959, 57603, 77226, 90097, 99918, 115206, 115839, 167323, 172809, 180194, 231678, 270291, 334646, 345618, 501969, 540582, 810873, 1003938, 1171261, 1505907, 1621746, 2342522, 3011814, 3513783, 7027566, 10541349, 21082698]

約数ペア:

[(1, 21082698), (2, 10541349), (3, 7027566), (6, 3513783), (7, 3011814), (9, 2342522), (13, 1621746), (14, 1505907), (18, 1171261), (21, 1003938), (26, 810873), (39, 540582), (42, 501969), (61, 345618), (63, 334646), (78, 270291), (91, 231678), (117, 180194), (122, 172809), (126, 167323), (182, 115839), (183, 115206), (211, 99918), (234, 90097), (273, 77226), (366, 57603), (422, 49959), (427, 49374), (546, 38613), (549, 38402), (633, 33306), (793, 26586), (819, 25742), (854, 24687), (1098, 19201), (1266, 16653), (1281, 16458), (1477, 14274), (1586, 13293), (1638, 12871), (1899, 11102), (2379, 8862), (2562, 8229), (2743, 7686), (2954, 7137), (3798, 5551), (3843, 5486), (4431, 4758)]