21447288

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{3203}}^1$

素因数の和:3249

約数の個数: 64

約数和(自身を含む): 61516800

約数和(自身を除く): 40069512

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, 3203, 3348, 6406, 6696, 9609, 12812, 19218, 25624, 28827, 38436, 57654, 76872, 86481, 99293, 115308, 172962, 198586, 230616, 297879, 345924, 397172, 595758, 691848, 794344, 893637, 1191516, 1787274, 2383032, 2680911, 3574548, 5361822, 7149096, 10723644, 21447288]

約数ペア:

[(1, 21447288), (2, 10723644), (3, 7149096), (4, 5361822), (6, 3574548), (8, 2680911), (9, 2383032), (12, 1787274), (18, 1191516), (24, 893637), (27, 794344), (31, 691848), (36, 595758), (54, 397172), (62, 345924), (72, 297879), (93, 230616), (108, 198586), (124, 172962), (186, 115308), (216, 99293), (248, 86481), (279, 76872), (372, 57654), (558, 38436), (744, 28827), (837, 25624), (1116, 19218), (1674, 12812), (2232, 9609), (3203, 6696), (3348, 6406)]