21116524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 47980800

約数和(自身を除く): 26864276

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 29, 38, 44, 52, 58, 67, 76, 116, 134, 143, 209, 247, 268, 286, 319, 377, 418, 494, 551, 572, 638, 737, 754, 836, 871, 988, 1102, 1273, 1276, 1474, 1508, 1742, 1943, 2204, 2546, 2717, 2948, 3484, 3886, 4147, 5092, 5434, 6061, 7163, 7772, 8294, 9581, 10868, 12122, 14003, 14326, 16549, 16588, 19162, 21373, 24244, 25259, 28006, 28652, 33098, 36917, 38324, 42746, 50518, 56012, 66196, 73834, 78793, 85492, 101036, 147668, 157586, 182039, 277849, 315172, 364078, 406087, 479921, 555698, 728156, 812174, 959842, 1111396, 1624348, 1919684, 5279131, 10558262, 21116524]

約数ペア:

[(1, 21116524), (2, 10558262), (4, 5279131), (11, 1919684), (13, 1624348), (19, 1111396), (22, 959842), (26, 812174), (29, 728156), (38, 555698), (44, 479921), (52, 406087), (58, 364078), (67, 315172), (76, 277849), (116, 182039), (134, 157586), (143, 147668), (209, 101036), (247, 85492), (268, 78793), (286, 73834), (319, 66196), (377, 56012), (418, 50518), (494, 42746), (551, 38324), (572, 36917), (638, 33098), (737, 28652), (754, 28006), (836, 25259), (871, 24244), (988, 21373), (1102, 19162), (1273, 16588), (1276, 16549), (1474, 14326), (1508, 14003), (1742, 12122), (1943, 10868), (2204, 9581), (2546, 8294), (2717, 7772), (2948, 7163), (3484, 6061), (3886, 5434), (4147, 5092)]