21191688

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2213}}^1$

素因数の和:2251

約数の個数: 96

約数和(自身を含む): 69076800

約数和(自身を除く): 47885112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 56, 57, 63, 72, 76, 84, 114, 126, 133, 152, 168, 171, 228, 252, 266, 342, 399, 456, 504, 532, 684, 798, 1064, 1197, 1368, 1596, 2213, 2394, 3192, 4426, 4788, 6639, 8852, 9576, 13278, 15491, 17704, 19917, 26556, 30982, 39834, 42047, 46473, 53112, 61964, 79668, 84094, 92946, 123928, 126141, 139419, 159336, 168188, 185892, 252282, 278838, 294329, 336376, 371784, 378423, 504564, 557676, 588658, 756846, 882987, 1009128, 1115352, 1177316, 1513692, 1765974, 2354632, 2648961, 3027384, 3531948, 5297922, 7063896, 10595844, 21191688]

約数ペア:

[(1, 21191688), (2, 10595844), (3, 7063896), (4, 5297922), (6, 3531948), (7, 3027384), (8, 2648961), (9, 2354632), (12, 1765974), (14, 1513692), (18, 1177316), (19, 1115352), (21, 1009128), (24, 882987), (28, 756846), (36, 588658), (38, 557676), (42, 504564), (56, 378423), (57, 371784), (63, 336376), (72, 294329), (76, 278838), (84, 252282), (114, 185892), (126, 168188), (133, 159336), (152, 139419), (168, 126141), (171, 123928), (228, 92946), (252, 84094), (266, 79668), (342, 61964), (399, 53112), (456, 46473), (504, 42047), (532, 39834), (684, 30982), (798, 26556), (1064, 19917), (1197, 17704), (1368, 15491), (1596, 13278), (2213, 9576), (2394, 8852), (3192, 6639), (4426, 4788)]