21988050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:552

約数の個数: 96

約数和(自身を含む): 63900672

約数和(自身を除く): 41912622

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 43, 50, 70, 75, 86, 105, 129, 150, 175, 210, 215, 258, 301, 350, 430, 487, 525, 602, 645, 903, 974, 1050, 1075, 1290, 1461, 1505, 1806, 2150, 2435, 2922, 3010, 3225, 3409, 4515, 4870, 6450, 6818, 7305, 7525, 9030, 10227, 12175, 14610, 15050, 17045, 20454, 20941, 22575, 24350, 34090, 36525, 41882, 45150, 51135, 62823, 73050, 85225, 102270, 104705, 125646, 146587, 170450, 209410, 255675, 293174, 314115, 439761, 511350, 523525, 628230, 732935, 879522, 1047050, 1465870, 1570575, 2198805, 3141150, 3664675, 4397610, 7329350, 10994025, 21988050]

約数ペア:

[(1, 21988050), (2, 10994025), (3, 7329350), (5, 4397610), (6, 3664675), (7, 3141150), (10, 2198805), (14, 1570575), (15, 1465870), (21, 1047050), (25, 879522), (30, 732935), (35, 628230), (42, 523525), (43, 511350), (50, 439761), (70, 314115), (75, 293174), (86, 255675), (105, 209410), (129, 170450), (150, 146587), (175, 125646), (210, 104705), (215, 102270), (258, 85225), (301, 73050), (350, 62823), (430, 51135), (487, 45150), (525, 41882), (602, 36525), (645, 34090), (903, 24350), (974, 22575), (1050, 20941), (1075, 20454), (1290, 17045), (1461, 15050), (1505, 14610), (1806, 12175), (2150, 10227), (2435, 9030), (2922, 7525), (3010, 7305), (3225, 6818), (3409, 6450), (4515, 4870)]