21123000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{2347}}^1$

素因数の和:2374

約数の個数: 96

約数和(自身を含む): 71426160

約数和(自身を除く): 50303160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 750, 900, 1000, 1125, 1500, 1800, 2250, 2347, 3000, 4500, 4694, 7041, 9000, 9388, 11735, 14082, 18776, 21123, 23470, 28164, 35205, 42246, 46940, 56328, 58675, 70410, 84492, 93880, 105615, 117350, 140820, 168984, 176025, 211230, 234700, 281640, 293375, 352050, 422460, 469400, 528075, 586750, 704100, 844920, 880125, 1056150, 1173500, 1408200, 1760250, 2112300, 2347000, 2640375, 3520500, 4224600, 5280750, 7041000, 10561500, 21123000]

約数ペア:

[(1, 21123000), (2, 10561500), (3, 7041000), (4, 5280750), (5, 4224600), (6, 3520500), (8, 2640375), (9, 2347000), (10, 2112300), (12, 1760250), (15, 1408200), (18, 1173500), (20, 1056150), (24, 880125), (25, 844920), (30, 704100), (36, 586750), (40, 528075), (45, 469400), (50, 422460), (60, 352050), (72, 293375), (75, 281640), (90, 234700), (100, 211230), (120, 176025), (125, 168984), (150, 140820), (180, 117350), (200, 105615), (225, 93880), (250, 84492), (300, 70410), (360, 58675), (375, 56328), (450, 46940), (500, 42246), (600, 35205), (750, 28164), (900, 23470), (1000, 21123), (1125, 18776), (1500, 14082), (1800, 11735), (2250, 9388), (2347, 9000), (3000, 7041), (4500, 4694)]