21129000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{7043}}^1$

素因数の和:7067

約数の個数: 64

約数和(自身を含む): 65931840

約数和(自身を除く): 44802840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 7043, 14086, 21129, 28172, 35215, 42258, 56344, 70430, 84516, 105645, 140860, 169032, 176075, 211290, 281720, 352150, 422580, 528225, 704300, 845160, 880375, 1056450, 1408600, 1760750, 2112900, 2641125, 3521500, 4225800, 5282250, 7043000, 10564500, 21129000]

約数ペア:

[(1, 21129000), (2, 10564500), (3, 7043000), (4, 5282250), (5, 4225800), (6, 3521500), (8, 2641125), (10, 2112900), (12, 1760750), (15, 1408600), (20, 1056450), (24, 880375), (25, 845160), (30, 704300), (40, 528225), (50, 422580), (60, 352150), (75, 281720), (100, 211290), (120, 176075), (125, 169032), (150, 140860), (200, 105645), (250, 84516), (300, 70430), (375, 56344), (500, 42258), (600, 35215), (750, 28172), (1000, 21129), (1500, 14086), (3000, 7043)]