21808872

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{3257}}^1$

素因数の和:3303

約数の個数: 64

約数和(自身を含む): 62553600

約数和(自身を除く): 40744728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 186, 216, 248, 279, 372, 558, 744, 837, 1116, 1674, 2232, 3257, 3348, 6514, 6696, 9771, 13028, 19542, 26056, 29313, 39084, 58626, 78168, 87939, 100967, 117252, 175878, 201934, 234504, 302901, 351756, 403868, 605802, 703512, 807736, 908703, 1211604, 1817406, 2423208, 2726109, 3634812, 5452218, 7269624, 10904436, 21808872]

約数ペア:

[(1, 21808872), (2, 10904436), (3, 7269624), (4, 5452218), (6, 3634812), (8, 2726109), (9, 2423208), (12, 1817406), (18, 1211604), (24, 908703), (27, 807736), (31, 703512), (36, 605802), (54, 403868), (62, 351756), (72, 302901), (93, 234504), (108, 201934), (124, 175878), (186, 117252), (216, 100967), (248, 87939), (279, 78168), (372, 58626), (558, 39084), (744, 29313), (837, 26056), (1116, 19542), (1674, 13028), (2232, 9771), (3257, 6696), (3348, 6514)]