21290400

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{2957}}^1$

素因数の和:2983

約数の個数: 108

約数和(自身を含む): 75100662

約数和(自身を除く): 53810262

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1440, 1800, 2400, 2957, 3600, 5914, 7200, 8871, 11828, 14785, 17742, 23656, 26613, 29570, 35484, 44355, 47312, 53226, 59140, 70968, 73925, 88710, 94624, 106452, 118280, 133065, 141936, 147850, 177420, 212904, 221775, 236560, 266130, 283872, 295700, 354840, 425808, 443550, 473120, 532260, 591400, 665325, 709680, 851616, 887100, 1064520, 1182800, 1330650, 1419360, 1774200, 2129040, 2365600, 2661300, 3548400, 4258080, 5322600, 7096800, 10645200, 21290400]

約数ペア:

[(1, 21290400), (2, 10645200), (3, 7096800), (4, 5322600), (5, 4258080), (6, 3548400), (8, 2661300), (9, 2365600), (10, 2129040), (12, 1774200), (15, 1419360), (16, 1330650), (18, 1182800), (20, 1064520), (24, 887100), (25, 851616), (30, 709680), (32, 665325), (36, 591400), (40, 532260), (45, 473120), (48, 443550), (50, 425808), (60, 354840), (72, 295700), (75, 283872), (80, 266130), (90, 236560), (96, 221775), (100, 212904), (120, 177420), (144, 147850), (150, 141936), (160, 133065), (180, 118280), (200, 106452), (225, 94624), (240, 88710), (288, 73925), (300, 70968), (360, 59140), (400, 53226), (450, 47312), (480, 44355), (600, 35484), (720, 29570), (800, 26613), (900, 23656), (1200, 17742), (1440, 14785), (1800, 11828), (2400, 8871), (2957, 7200), (3600, 5914)]