21052200

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2699}}^1$

素因数の和:2731

約数の個数: 96

約数和(自身を含む): 70308000

約数和(自身を除く): 49255800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 2699, 3900, 5398, 7800, 8097, 10796, 13495, 16194, 21592, 26990, 32388, 35087, 40485, 53980, 64776, 67475, 70174, 80970, 105261, 107960, 134950, 140348, 161940, 175435, 202425, 210522, 269900, 280696, 323880, 350870, 404850, 421044, 526305, 539800, 701740, 809700, 842088, 877175, 1052610, 1403480, 1619400, 1754350, 2105220, 2631525, 3508700, 4210440, 5263050, 7017400, 10526100, 21052200]

約数ペア:

[(1, 21052200), (2, 10526100), (3, 7017400), (4, 5263050), (5, 4210440), (6, 3508700), (8, 2631525), (10, 2105220), (12, 1754350), (13, 1619400), (15, 1403480), (20, 1052610), (24, 877175), (25, 842088), (26, 809700), (30, 701740), (39, 539800), (40, 526305), (50, 421044), (52, 404850), (60, 350870), (65, 323880), (75, 280696), (78, 269900), (100, 210522), (104, 202425), (120, 175435), (130, 161940), (150, 140348), (156, 134950), (195, 107960), (200, 105261), (260, 80970), (300, 70174), (312, 67475), (325, 64776), (390, 53980), (520, 40485), (600, 35087), (650, 32388), (780, 26990), (975, 21592), (1300, 16194), (1560, 13495), (1950, 10796), (2600, 8097), (2699, 7800), (3900, 5398)]