21116430

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 56738880

約数和(自身を除く): 35622450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 197, 270, 394, 397, 591, 794, 985, 1182, 1191, 1773, 1970, 1985, 2382, 2955, 3546, 3573, 3970, 5319, 5910, 5955, 7146, 8865, 10638, 10719, 11910, 17730, 17865, 21438, 26595, 35730, 53190, 53595, 78209, 107190, 156418, 234627, 391045, 469254, 703881, 782090, 1173135, 1407762, 2111643, 2346270, 3519405, 4223286, 7038810, 10558215, 21116430]

約数ペア:

[(1, 21116430), (2, 10558215), (3, 7038810), (5, 4223286), (6, 3519405), (9, 2346270), (10, 2111643), (15, 1407762), (18, 1173135), (27, 782090), (30, 703881), (45, 469254), (54, 391045), (90, 234627), (135, 156418), (197, 107190), (270, 78209), (394, 53595), (397, 53190), (591, 35730), (794, 26595), (985, 21438), (1182, 17865), (1191, 17730), (1773, 11910), (1970, 10719), (1985, 10638), (2382, 8865), (2955, 7146), (3546, 5955), (3573, 5910), (3970, 5319)]