21467580365

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 35590446144

約数和(自身を除く): 14122865779

約数列:

[1, 5, 7, 11, 17, 35, 43, 49, 55, 77, 85, 119, 187, 215, 245, 289, 301, 385, 473, 539, 595, 641, 731, 833, 935, 1309, 1445, 1505, 2023, 2107, 2365, 2695, 3179, 3205, 3311, 3655, 4165, 4487, 5117, 6545, 7051, 8041, 9163, 10115, 10535, 10897, 12427, 14161, 15895, 16555, 22253, 22435, 23177, 25585, 27563, 31409, 35255, 35819, 40205, 45815, 49357, 54485, 56287, 62135, 70805, 76279, 86989, 111265, 115885, 119867, 136697, 137815, 155771, 157045, 179095, 185249, 192941, 246785, 281435, 303193, 345499, 381395, 394009, 434945, 468571, 533953, 599335, 608923, 683485, 778855, 839069, 926245, 956879, 964705, 1296743, 1350587, 1515965, 1727495, 1970045, 2037739, 2122351, 2342855, 2669765, 3044615, 3279997, 4195345, 4784395, 5154281, 5873483, 6483715, 6698153, 6752935, 7965707, 9077201, 10188695, 10611755, 14264173, 14856457, 16399985, 22959979, 25771405, 29367415, 33490765, 36079967, 39828535, 45386005, 55759949, 71320865, 74282285, 87622777, 99849211, 114799895, 180399835, 252559769, 278799745, 390319643, 438113885, 499246055, 613359439, 1262798845, 1951598215, 3066797195, 4293516073, 21467580365]

約数ペア:

[(1, 21467580365), (5, 4293516073), (7, 3066797195), (11, 1951598215), (17, 1262798845), (35, 613359439), (43, 499246055), (49, 438113885), (55, 390319643), (77, 278799745), (85, 252559769), (119, 180399835), (187, 114799895), (215, 99849211), (245, 87622777), (289, 74282285), (301, 71320865), (385, 55759949), (473, 45386005), (539, 39828535), (595, 36079967), (641, 33490765), (731, 29367415), (833, 25771405), (935, 22959979), (1309, 16399985), (1445, 14856457), (1505, 14264173), (2023, 10611755), (2107, 10188695), (2365, 9077201), (2695, 7965707), (3179, 6752935), (3205, 6698153), (3311, 6483715), (3655, 5873483), (4165, 5154281), (4487, 4784395), (5117, 4195345), (6545, 3279997), (7051, 3044615), (8041, 2669765), (9163, 2342855), (10115, 2122351), (10535, 2037739), (10897, 1970045), (12427, 1727495), (14161, 1515965), (15895, 1350587), (16555, 1296743), (22253, 964705), (22435, 956879), (23177, 926245), (25585, 839069), (27563, 778855), (31409, 683485), (35255, 608923), (35819, 599335), (40205, 533953), (45815, 468571), (49357, 434945), (54485, 394009), (56287, 381395), (62135, 345499), (70805, 303193), (76279, 281435), (86989, 246785), (111265, 192941), (115885, 185249), (119867, 179095), (136697, 157045), (137815, 155771)]