21748122

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 36312678

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 41, 47, 54, 57, 66, 82, 94, 99, 114, 123, 141, 171, 198, 209, 246, 282, 297, 342, 369, 418, 423, 451, 513, 517, 594, 627, 738, 779, 846, 893, 902, 1026, 1034, 1107, 1254, 1269, 1353, 1551, 1558, 1786, 1881, 1927, 2214, 2337, 2538, 2679, 2706, 3102, 3762, 3854, 4059, 4653, 4674, 5358, 5643, 5781, 7011, 8037, 8118, 8569, 9306, 9823, 11286, 11562, 12177, 13959, 14022, 16074, 17138, 17343, 19646, 21033, 21197, 24111, 24354, 25707, 27918, 29469, 34686, 36613, 42066, 42394, 48222, 51414, 52029, 58938, 63591, 73226, 77121, 88407, 104058, 109839, 127182, 154242, 176814, 190773, 219678, 231363, 265221, 329517, 381546, 402743, 462726, 530442, 572319, 659034, 805486, 988551, 1144638, 1208229, 1977102, 2416458, 3624687, 7249374, 10874061, 21748122]

約数ペア:

[(1, 21748122), (2, 10874061), (3, 7249374), (6, 3624687), (9, 2416458), (11, 1977102), (18, 1208229), (19, 1144638), (22, 988551), (27, 805486), (33, 659034), (38, 572319), (41, 530442), (47, 462726), (54, 402743), (57, 381546), (66, 329517), (82, 265221), (94, 231363), (99, 219678), (114, 190773), (123, 176814), (141, 154242), (171, 127182), (198, 109839), (209, 104058), (246, 88407), (282, 77121), (297, 73226), (342, 63591), (369, 58938), (418, 52029), (423, 51414), (451, 48222), (513, 42394), (517, 42066), (594, 36613), (627, 34686), (738, 29469), (779, 27918), (846, 25707), (893, 24354), (902, 24111), (1026, 21197), (1034, 21033), (1107, 19646), (1254, 17343), (1269, 17138), (1353, 16074), (1551, 14022), (1558, 13959), (1786, 12177), (1881, 11562), (1927, 11286), (2214, 9823), (2337, 9306), (2538, 8569), (2679, 8118), (2706, 8037), (3102, 7011), (3762, 5781), (3854, 5643), (4059, 5358), (4653, 4674)]