21630816

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 66830400

約数和(自身を除く): 45199584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 59, 67, 72, 76, 96, 114, 118, 134, 144, 152, 171, 177, 201, 228, 236, 268, 288, 304, 342, 354, 402, 456, 472, 531, 536, 603, 608, 684, 708, 804, 912, 944, 1062, 1072, 1121, 1206, 1273, 1368, 1416, 1608, 1824, 1888, 2124, 2144, 2242, 2412, 2546, 2736, 2832, 3216, 3363, 3819, 3953, 4248, 4484, 4824, 5092, 5472, 5664, 6432, 6726, 7638, 7906, 8496, 8968, 9648, 10089, 10184, 11457, 11859, 13452, 15276, 15812, 16992, 17936, 19296, 20178, 20368, 22914, 23718, 26904, 30552, 31624, 35577, 35872, 40356, 40736, 45828, 47436, 53808, 61104, 63248, 71154, 75107, 80712, 91656, 94872, 107616, 122208, 126496, 142308, 150214, 161424, 183312, 189744, 225321, 284616, 300428, 322848, 366624, 379488, 450642, 569232, 600856, 675963, 901284, 1138464, 1201712, 1351926, 1802568, 2403424, 2703852, 3605136, 5407704, 7210272, 10815408, 21630816]

約数ペア:

[(1, 21630816), (2, 10815408), (3, 7210272), (4, 5407704), (6, 3605136), (8, 2703852), (9, 2403424), (12, 1802568), (16, 1351926), (18, 1201712), (19, 1138464), (24, 901284), (32, 675963), (36, 600856), (38, 569232), (48, 450642), (57, 379488), (59, 366624), (67, 322848), (72, 300428), (76, 284616), (96, 225321), (114, 189744), (118, 183312), (134, 161424), (144, 150214), (152, 142308), (171, 126496), (177, 122208), (201, 107616), (228, 94872), (236, 91656), (268, 80712), (288, 75107), (304, 71154), (342, 63248), (354, 61104), (402, 53808), (456, 47436), (472, 45828), (531, 40736), (536, 40356), (603, 35872), (608, 35577), (684, 31624), (708, 30552), (804, 26904), (912, 23718), (944, 22914), (1062, 20368), (1072, 20178), (1121, 19296), (1206, 17936), (1273, 16992), (1368, 15812), (1416, 15276), (1608, 13452), (1824, 11859), (1888, 11457), (2124, 10184), (2144, 10089), (2242, 9648), (2412, 8968), (2546, 8496), (2736, 7906), (2832, 7638), (3216, 6726), (3363, 6432), (3819, 5664), (3953, 5472), (4248, 5092), (4484, 4824)]