21538500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 63842688

約数和(自身を除く): 42304188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 83, 100, 125, 150, 166, 173, 249, 250, 300, 332, 346, 375, 415, 498, 500, 519, 692, 750, 830, 865, 996, 1038, 1245, 1500, 1660, 1730, 2075, 2076, 2490, 2595, 3460, 4150, 4325, 4980, 5190, 6225, 8300, 8650, 10375, 10380, 12450, 12975, 14359, 17300, 20750, 21625, 24900, 25950, 28718, 31125, 41500, 43077, 43250, 51900, 57436, 62250, 64875, 71795, 86154, 86500, 124500, 129750, 143590, 172308, 215385, 259500, 287180, 358975, 430770, 717950, 861540, 1076925, 1435900, 1794875, 2153850, 3589750, 4307700, 5384625, 7179500, 10769250, 21538500]

約数ペア:

[(1, 21538500), (2, 10769250), (3, 7179500), (4, 5384625), (5, 4307700), (6, 3589750), (10, 2153850), (12, 1794875), (15, 1435900), (20, 1076925), (25, 861540), (30, 717950), (50, 430770), (60, 358975), (75, 287180), (83, 259500), (100, 215385), (125, 172308), (150, 143590), (166, 129750), (173, 124500), (249, 86500), (250, 86154), (300, 71795), (332, 64875), (346, 62250), (375, 57436), (415, 51900), (498, 43250), (500, 43077), (519, 41500), (692, 31125), (750, 28718), (830, 25950), (865, 24900), (996, 21625), (1038, 20750), (1245, 17300), (1500, 14359), (1660, 12975), (1730, 12450), (2075, 10380), (2076, 10375), (2490, 8650), (2595, 8300), (3460, 6225), (4150, 5190), (4325, 4980)]