21524670

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2749}}^1$

素因数の和:2794

約数の個数: 64

約数和(自身を含む): 59400000

約数和(自身を除く): 37875330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 435, 522, 783, 870, 1305, 1566, 2610, 2749, 3915, 5498, 7830, 8247, 13745, 16494, 24741, 27490, 41235, 49482, 74223, 79721, 82470, 123705, 148446, 159442, 239163, 247410, 371115, 398605, 478326, 717489, 742230, 797210, 1195815, 1434978, 2152467, 2391630, 3587445, 4304934, 7174890, 10762335, 21524670]

約数ペア:

[(1, 21524670), (2, 10762335), (3, 7174890), (5, 4304934), (6, 3587445), (9, 2391630), (10, 2152467), (15, 1434978), (18, 1195815), (27, 797210), (29, 742230), (30, 717489), (45, 478326), (54, 398605), (58, 371115), (87, 247410), (90, 239163), (135, 159442), (145, 148446), (174, 123705), (261, 82470), (270, 79721), (290, 74223), (435, 49482), (522, 41235), (783, 27490), (870, 24741), (1305, 16494), (1566, 13745), (2610, 8247), (2749, 7830), (3915, 5498)]