21476700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^2\times {\mathrm{487}}^1$

素因数の和:521

約数の個数: 162

約数和(自身を含む): 78468936

約数和(自身を除く): 56992236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 49, 50, 60, 63, 70, 75, 84, 90, 98, 100, 105, 126, 140, 147, 150, 175, 180, 196, 210, 225, 245, 252, 294, 300, 315, 350, 420, 441, 450, 487, 490, 525, 588, 630, 700, 735, 882, 900, 974, 980, 1050, 1225, 1260, 1461, 1470, 1575, 1764, 1948, 2100, 2205, 2435, 2450, 2922, 2940, 3150, 3409, 3675, 4383, 4410, 4870, 4900, 5844, 6300, 6818, 7305, 7350, 8766, 8820, 9740, 10227, 11025, 12175, 13636, 14610, 14700, 17045, 17532, 20454, 21915, 22050, 23863, 24350, 29220, 30681, 34090, 36525, 40908, 43830, 44100, 47726, 48700, 51135, 61362, 68180, 71589, 73050, 85225, 87660, 95452, 102270, 109575, 119315, 122724, 143178, 146100, 153405, 170450, 204540, 214767, 219150, 238630, 255675, 286356, 306810, 340900, 357945, 429534, 438300, 477260, 511350, 596575, 613620, 715890, 767025, 859068, 1022700, 1073835, 1193150, 1431780, 1534050, 1789725, 2147670, 2386300, 3068100, 3579450, 4295340, 5369175, 7158900, 10738350, 21476700]

約数ペア:

[(1, 21476700), (2, 10738350), (3, 7158900), (4, 5369175), (5, 4295340), (6, 3579450), (7, 3068100), (9, 2386300), (10, 2147670), (12, 1789725), (14, 1534050), (15, 1431780), (18, 1193150), (20, 1073835), (21, 1022700), (25, 859068), (28, 767025), (30, 715890), (35, 613620), (36, 596575), (42, 511350), (45, 477260), (49, 438300), (50, 429534), (60, 357945), (63, 340900), (70, 306810), (75, 286356), (84, 255675), (90, 238630), (98, 219150), (100, 214767), (105, 204540), (126, 170450), (140, 153405), (147, 146100), (150, 143178), (175, 122724), (180, 119315), (196, 109575), (210, 102270), (225, 95452), (245, 87660), (252, 85225), (294, 73050), (300, 71589), (315, 68180), (350, 61362), (420, 51135), (441, 48700), (450, 47726), (487, 44100), (490, 43830), (525, 40908), (588, 36525), (630, 34090), (700, 30681), (735, 29220), (882, 24350), (900, 23863), (974, 22050), (980, 21915), (1050, 20454), (1225, 17532), (1260, 17045), (1461, 14700), (1470, 14610), (1575, 13636), (1764, 12175), (1948, 11025), (2100, 10227), (2205, 9740), (2435, 8820), (2450, 8766), (2922, 7350), (2940, 7305), (3150, 6818), (3409, 6300), (3675, 5844), (4383, 4900), (4410, 4870)]