21661332

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 68257728

約数和(自身を除く): 46596396

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 17, 21, 22, 28, 33, 34, 42, 44, 49, 51, 66, 68, 77, 84, 98, 102, 119, 132, 147, 154, 187, 196, 197, 204, 231, 238, 294, 308, 357, 374, 394, 462, 476, 539, 561, 588, 591, 714, 748, 788, 833, 924, 1078, 1122, 1182, 1309, 1379, 1428, 1617, 1666, 2156, 2167, 2244, 2364, 2499, 2618, 2758, 3234, 3332, 3349, 3927, 4137, 4334, 4998, 5236, 5516, 6468, 6501, 6698, 7854, 8274, 8668, 9163, 9653, 9996, 10047, 13002, 13396, 15169, 15708, 16548, 18326, 19306, 20094, 23443, 26004, 27489, 28959, 30338, 36652, 36839, 38612, 40188, 45507, 46886, 54978, 57918, 60676, 70329, 73678, 91014, 93772, 106183, 109956, 110517, 115836, 140658, 147356, 164101, 182028, 212366, 221034, 257873, 281316, 318549, 328202, 424732, 442068, 492303, 515746, 637098, 656404, 773619, 984606, 1031492, 1274196, 1547238, 1805111, 1969212, 3094476, 3610222, 5415333, 7220444, 10830666, 21661332]

約数ペア:

[(1, 21661332), (2, 10830666), (3, 7220444), (4, 5415333), (6, 3610222), (7, 3094476), (11, 1969212), (12, 1805111), (14, 1547238), (17, 1274196), (21, 1031492), (22, 984606), (28, 773619), (33, 656404), (34, 637098), (42, 515746), (44, 492303), (49, 442068), (51, 424732), (66, 328202), (68, 318549), (77, 281316), (84, 257873), (98, 221034), (102, 212366), (119, 182028), (132, 164101), (147, 147356), (154, 140658), (187, 115836), (196, 110517), (197, 109956), (204, 106183), (231, 93772), (238, 91014), (294, 73678), (308, 70329), (357, 60676), (374, 57918), (394, 54978), (462, 46886), (476, 45507), (539, 40188), (561, 38612), (588, 36839), (591, 36652), (714, 30338), (748, 28959), (788, 27489), (833, 26004), (924, 23443), (1078, 20094), (1122, 19306), (1182, 18326), (1309, 16548), (1379, 15708), (1428, 15169), (1617, 13396), (1666, 13002), (2156, 10047), (2167, 9996), (2244, 9653), (2364, 9163), (2499, 8668), (2618, 8274), (2758, 7854), (3234, 6698), (3332, 6501), (3349, 6468), (3927, 5516), (4137, 5236), (4334, 4998)]