21639000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{7213}}^1$

素因数の和:7237

約数の個数: 64

約数和(自身を含む): 67523040

約数和(自身を除く): 45884040

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, 7213, 14426, 21639, 28852, 36065, 43278, 57704, 72130, 86556, 108195, 144260, 173112, 180325, 216390, 288520, 360650, 432780, 540975, 721300, 865560, 901625, 1081950, 1442600, 1803250, 2163900, 2704875, 3606500, 4327800, 5409750, 7213000, 10819500, 21639000]

約数ペア:

[(1, 21639000), (2, 10819500), (3, 7213000), (4, 5409750), (5, 4327800), (6, 3606500), (8, 2704875), (10, 2163900), (12, 1803250), (15, 1442600), (20, 1081950), (24, 901625), (25, 865560), (30, 721300), (40, 540975), (50, 432780), (60, 360650), (75, 288520), (100, 216390), (120, 180325), (125, 173112), (150, 144260), (200, 108195), (250, 86556), (300, 72130), (375, 57704), (500, 43278), (600, 36065), (750, 28852), (1000, 21639), (1500, 14426), (3000, 7213)]