21226968

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 128

約数和(自身を含む): 68544000

約数和(自身を除く): 47317032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 101, 108, 126, 139, 168, 189, 202, 216, 252, 278, 303, 378, 404, 417, 504, 556, 606, 707, 756, 808, 834, 909, 973, 1112, 1212, 1251, 1414, 1512, 1668, 1818, 1946, 2121, 2424, 2502, 2727, 2828, 2919, 3336, 3636, 3753, 3892, 4242, 5004, 5454, 5656, 5838, 6363, 7272, 7506, 7784, 8484, 8757, 10008, 10908, 11676, 12726, 14039, 15012, 16968, 17514, 19089, 21816, 23352, 25452, 26271, 28078, 30024, 35028, 38178, 42117, 50904, 52542, 56156, 70056, 76356, 84234, 98273, 105084, 112312, 126351, 152712, 168468, 196546, 210168, 252702, 294819, 336936, 379053, 393092, 505404, 589638, 758106, 786184, 884457, 1010808, 1179276, 1516212, 1768914, 2358552, 2653371, 3032424, 3537828, 5306742, 7075656, 10613484, 21226968]

約数ペア:

[(1, 21226968), (2, 10613484), (3, 7075656), (4, 5306742), (6, 3537828), (7, 3032424), (8, 2653371), (9, 2358552), (12, 1768914), (14, 1516212), (18, 1179276), (21, 1010808), (24, 884457), (27, 786184), (28, 758106), (36, 589638), (42, 505404), (54, 393092), (56, 379053), (63, 336936), (72, 294819), (84, 252702), (101, 210168), (108, 196546), (126, 168468), (139, 152712), (168, 126351), (189, 112312), (202, 105084), (216, 98273), (252, 84234), (278, 76356), (303, 70056), (378, 56156), (404, 52542), (417, 50904), (504, 42117), (556, 38178), (606, 35028), (707, 30024), (756, 28078), (808, 26271), (834, 25452), (909, 23352), (973, 21816), (1112, 19089), (1212, 17514), (1251, 16968), (1414, 15012), (1512, 14039), (1668, 12726), (1818, 11676), (1946, 10908), (2121, 10008), (2424, 8757), (2502, 8484), (2727, 7784), (2828, 7506), (2919, 7272), (3336, 6363), (3636, 5838), (3753, 5656), (3892, 5454), (4242, 5004)]