21551568

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 58496256

約数和(自身を除く): 36944688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 47, 48, 82, 94, 123, 141, 164, 188, 233, 246, 282, 328, 376, 466, 492, 564, 656, 699, 752, 932, 984, 1128, 1398, 1864, 1927, 1968, 2256, 2796, 3728, 3854, 5592, 5781, 7708, 9553, 10951, 11184, 11562, 15416, 19106, 21902, 23124, 28659, 30832, 32853, 38212, 43804, 46248, 57318, 65706, 76424, 87608, 92496, 114636, 131412, 152848, 175216, 229272, 262824, 448991, 458544, 525648, 897982, 1346973, 1795964, 2693946, 3591928, 5387892, 7183856, 10775784, 21551568]

約数ペア:

[(1, 21551568), (2, 10775784), (3, 7183856), (4, 5387892), (6, 3591928), (8, 2693946), (12, 1795964), (16, 1346973), (24, 897982), (41, 525648), (47, 458544), (48, 448991), (82, 262824), (94, 229272), (123, 175216), (141, 152848), (164, 131412), (188, 114636), (233, 92496), (246, 87608), (282, 76424), (328, 65706), (376, 57318), (466, 46248), (492, 43804), (564, 38212), (656, 32853), (699, 30832), (752, 28659), (932, 23124), (984, 21902), (1128, 19106), (1398, 15416), (1864, 11562), (1927, 11184), (1968, 10951), (2256, 9553), (2796, 7708), (3728, 5781), (3854, 5592)]