21887908

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6569}}^1$

素因数の和:6604

約数の個数: 36

約数和(自身を含む): 47185740

約数和(自身を除く): 25297832

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 6569, 13138, 26276, 45983, 91966, 111673, 183932, 223346, 321881, 446692, 643762, 781711, 1287524, 1563422, 3126844, 5471977, 10943954, 21887908]

約数ペア:

[(1, 21887908), (2, 10943954), (4, 5471977), (7, 3126844), (14, 1563422), (17, 1287524), (28, 781711), (34, 643762), (49, 446692), (68, 321881), (98, 223346), (119, 183932), (196, 111673), (238, 91966), (476, 45983), (833, 26276), (1666, 13138), (3332, 6569)]