21578508

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 192

約数和(自身を含む): 71608320

約数和(自身を除く): 50029812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 23, 27, 28, 34, 36, 42, 46, 51, 54, 63, 68, 69, 73, 84, 92, 102, 108, 119, 126, 138, 146, 153, 161, 189, 204, 207, 219, 238, 252, 276, 292, 306, 322, 357, 378, 391, 414, 438, 459, 476, 483, 511, 612, 621, 644, 657, 714, 756, 782, 828, 876, 918, 966, 1022, 1071, 1173, 1241, 1242, 1314, 1428, 1449, 1533, 1564, 1679, 1836, 1932, 1971, 2044, 2142, 2346, 2482, 2484, 2628, 2737, 2898, 3066, 3213, 3358, 3519, 3723, 3942, 4284, 4347, 4599, 4692, 4964, 5037, 5474, 5796, 6132, 6426, 6716, 7038, 7446, 7884, 8211, 8687, 8694, 9198, 10074, 10557, 10948, 11169, 11753, 12852, 13797, 14076, 14892, 15111, 16422, 17374, 17388, 18396, 20148, 21114, 22338, 23506, 24633, 26061, 27594, 28543, 30222, 32844, 33507, 34748, 35259, 42228, 44676, 45333, 47012, 49266, 52122, 55188, 57086, 60444, 67014, 70518, 73899, 78183, 85629, 90666, 98532, 104244, 105777, 114172, 134028, 141036, 147798, 156366, 171258, 181332, 199801, 211554, 234549, 256887, 295596, 312732, 317331, 342516, 399602, 423108, 469098, 513774, 599403, 634662, 770661, 799204, 938196, 1027548, 1198806, 1269324, 1541322, 1798209, 2397612, 3082644, 3596418, 5394627, 7192836, 10789254, 21578508]

約数ペア:

[(1, 21578508), (2, 10789254), (3, 7192836), (4, 5394627), (6, 3596418), (7, 3082644), (9, 2397612), (12, 1798209), (14, 1541322), (17, 1269324), (18, 1198806), (21, 1027548), (23, 938196), (27, 799204), (28, 770661), (34, 634662), (36, 599403), (42, 513774), (46, 469098), (51, 423108), (54, 399602), (63, 342516), (68, 317331), (69, 312732), (73, 295596), (84, 256887), (92, 234549), (102, 211554), (108, 199801), (119, 181332), (126, 171258), (138, 156366), (146, 147798), (153, 141036), (161, 134028), (189, 114172), (204, 105777), (207, 104244), (219, 98532), (238, 90666), (252, 85629), (276, 78183), (292, 73899), (306, 70518), (322, 67014), (357, 60444), (378, 57086), (391, 55188), (414, 52122), (438, 49266), (459, 47012), (476, 45333), (483, 44676), (511, 42228), (612, 35259), (621, 34748), (644, 33507), (657, 32844), (714, 30222), (756, 28543), (782, 27594), (828, 26061), (876, 24633), (918, 23506), (966, 22338), (1022, 21114), (1071, 20148), (1173, 18396), (1241, 17388), (1242, 17374), (1314, 16422), (1428, 15111), (1449, 14892), (1533, 14076), (1564, 13797), (1679, 12852), (1836, 11753), (1932, 11169), (1971, 10948), (2044, 10557), (2142, 10074), (2346, 9198), (2482, 8694), (2484, 8687), (2628, 8211), (2737, 7884), (2898, 7446), (3066, 7038), (3213, 6716), (3358, 6426), (3519, 6132), (3723, 5796), (3942, 5474), (4284, 5037), (4347, 4964), (4599, 4692)]