21882042

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 61662720

約数和(自身を除く): 39780678

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 61, 63, 73, 78, 91, 117, 122, 126, 146, 182, 183, 189, 219, 234, 273, 351, 366, 378, 427, 438, 511, 546, 549, 657, 702, 793, 819, 854, 949, 1022, 1098, 1281, 1314, 1533, 1586, 1638, 1647, 1898, 1971, 2379, 2457, 2562, 2847, 3066, 3294, 3843, 3942, 4453, 4599, 4758, 4914, 5551, 5694, 6643, 7137, 7686, 8541, 8906, 9198, 11102, 11529, 13286, 13359, 13797, 14274, 16653, 17082, 19929, 21411, 23058, 25623, 26718, 27594, 31171, 33306, 39858, 40077, 42822, 49959, 51246, 57889, 59787, 62342, 80154, 93513, 99918, 115778, 119574, 120231, 149877, 173667, 179361, 187026, 240462, 280539, 299754, 347334, 358722, 405223, 521001, 561078, 810446, 841617, 1042002, 1215669, 1563003, 1683234, 2431338, 3126006, 3647007, 7294014, 10941021, 21882042]

約数ペア:

[(1, 21882042), (2, 10941021), (3, 7294014), (6, 3647007), (7, 3126006), (9, 2431338), (13, 1683234), (14, 1563003), (18, 1215669), (21, 1042002), (26, 841617), (27, 810446), (39, 561078), (42, 521001), (54, 405223), (61, 358722), (63, 347334), (73, 299754), (78, 280539), (91, 240462), (117, 187026), (122, 179361), (126, 173667), (146, 149877), (182, 120231), (183, 119574), (189, 115778), (219, 99918), (234, 93513), (273, 80154), (351, 62342), (366, 59787), (378, 57889), (427, 51246), (438, 49959), (511, 42822), (546, 40077), (549, 39858), (657, 33306), (702, 31171), (793, 27594), (819, 26718), (854, 25623), (949, 23058), (1022, 21411), (1098, 19929), (1281, 17082), (1314, 16653), (1533, 14274), (1586, 13797), (1638, 13359), (1647, 13286), (1898, 11529), (1971, 11102), (2379, 9198), (2457, 8906), (2562, 8541), (2847, 7686), (3066, 7137), (3294, 6643), (3843, 5694), (3942, 5551), (4453, 4914), (4599, 4758)]