21674136

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 64800000

約数和(自身を除く): 43125864

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 29, 33, 38, 44, 57, 58, 66, 76, 87, 88, 114, 116, 132, 149, 152, 174, 209, 228, 232, 264, 298, 319, 348, 418, 447, 456, 551, 596, 627, 638, 696, 836, 894, 957, 1102, 1192, 1254, 1276, 1639, 1653, 1672, 1788, 1914, 2204, 2508, 2552, 2831, 3278, 3306, 3576, 3828, 4321, 4408, 4917, 5016, 5662, 6061, 6556, 6612, 7656, 8493, 8642, 9834, 11324, 12122, 12963, 13112, 13224, 16986, 17284, 18183, 19668, 22648, 24244, 25926, 31141, 33972, 34568, 36366, 39336, 47531, 48488, 51852, 62282, 67944, 72732, 82099, 93423, 95062, 103704, 124564, 142593, 145464, 164198, 186846, 190124, 246297, 249128, 285186, 328396, 373692, 380248, 492594, 570372, 656792, 747384, 903089, 985188, 1140744, 1806178, 1970376, 2709267, 3612356, 5418534, 7224712, 10837068, 21674136]

約数ペア:

[(1, 21674136), (2, 10837068), (3, 7224712), (4, 5418534), (6, 3612356), (8, 2709267), (11, 1970376), (12, 1806178), (19, 1140744), (22, 985188), (24, 903089), (29, 747384), (33, 656792), (38, 570372), (44, 492594), (57, 380248), (58, 373692), (66, 328396), (76, 285186), (87, 249128), (88, 246297), (114, 190124), (116, 186846), (132, 164198), (149, 145464), (152, 142593), (174, 124564), (209, 103704), (228, 95062), (232, 93423), (264, 82099), (298, 72732), (319, 67944), (348, 62282), (418, 51852), (447, 48488), (456, 47531), (551, 39336), (596, 36366), (627, 34568), (638, 33972), (696, 31141), (836, 25926), (894, 24244), (957, 22648), (1102, 19668), (1192, 18183), (1254, 17284), (1276, 16986), (1639, 13224), (1653, 13112), (1672, 12963), (1788, 12122), (1914, 11324), (2204, 9834), (2508, 8642), (2552, 8493), (2831, 7656), (3278, 6612), (3306, 6556), (3576, 6061), (3828, 5662), (4321, 5016), (4408, 4917)]