21442948

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 19683452

約数列:

[1, 2, 4, 29, 31, 58, 62, 67, 89, 116, 124, 134, 178, 268, 356, 899, 1798, 1943, 2077, 2581, 2759, 3596, 3886, 4154, 5162, 5518, 5963, 7772, 8308, 10324, 11036, 11926, 23852, 60233, 80011, 120466, 160022, 172927, 184853, 240932, 320044, 345854, 369706, 691708, 739412, 5360737, 10721474, 21442948]

約数ペア:

[(1, 21442948), (2, 10721474), (4, 5360737), (29, 739412), (31, 691708), (58, 369706), (62, 345854), (67, 320044), (89, 240932), (116, 184853), (124, 172927), (134, 160022), (178, 120466), (268, 80011), (356, 60233), (899, 23852), (1798, 11926), (1943, 11036), (2077, 10324), (2581, 8308), (2759, 7772), (3596, 5963), (3886, 5518), (4154, 5162)]