21685664

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1$

素因数の和:718

約数の個数: 96

約数和(自身を含む): 57407616

約数和(自身を除く): 35721952

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 352, 364, 416, 572, 616, 677, 728, 1001, 1144, 1232, 1354, 1456, 2002, 2288, 2464, 2708, 2912, 4004, 4576, 4739, 5416, 7447, 8008, 8801, 9478, 10832, 14894, 16016, 17602, 18956, 21664, 29788, 32032, 35204, 37912, 52129, 59576, 61607, 70408, 75824, 96811, 104258, 119152, 123214, 140816, 151648, 193622, 208516, 238304, 246428, 281632, 387244, 417032, 492856, 677677, 774488, 834064, 985712, 1355354, 1548976, 1668128, 1971424, 2710708, 3097952, 5421416, 10842832, 21685664]

約数ペア:

[(1, 21685664), (2, 10842832), (4, 5421416), (7, 3097952), (8, 2710708), (11, 1971424), (13, 1668128), (14, 1548976), (16, 1355354), (22, 985712), (26, 834064), (28, 774488), (32, 677677), (44, 492856), (52, 417032), (56, 387244), (77, 281632), (88, 246428), (91, 238304), (104, 208516), (112, 193622), (143, 151648), (154, 140816), (176, 123214), (182, 119152), (208, 104258), (224, 96811), (286, 75824), (308, 70408), (352, 61607), (364, 59576), (416, 52129), (572, 37912), (616, 35204), (677, 32032), (728, 29788), (1001, 21664), (1144, 18956), (1232, 17602), (1354, 16016), (1456, 14894), (2002, 10832), (2288, 9478), (2464, 8801), (2708, 8008), (2912, 7447), (4004, 5416), (4576, 4739)]