21135510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:638

約数の個数: 96

約数和(自身を含む): 61674912

約数和(自身を除く): 40539402

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 37, 45, 55, 66, 74, 90, 99, 110, 111, 165, 185, 198, 222, 330, 333, 370, 407, 495, 555, 577, 666, 814, 990, 1110, 1154, 1221, 1665, 1731, 2035, 2442, 2885, 3330, 3462, 3663, 4070, 5193, 5770, 6105, 6347, 7326, 8655, 10386, 12210, 12694, 17310, 18315, 19041, 21349, 25965, 31735, 36630, 38082, 42698, 51930, 57123, 63470, 64047, 95205, 106745, 114246, 128094, 190410, 192141, 213490, 234839, 285615, 320235, 384282, 469678, 571230, 640470, 704517, 960705, 1174195, 1409034, 1921410, 2113551, 2348390, 3522585, 4227102, 7045170, 10567755, 21135510]

約数ペア:

[(1, 21135510), (2, 10567755), (3, 7045170), (5, 4227102), (6, 3522585), (9, 2348390), (10, 2113551), (11, 1921410), (15, 1409034), (18, 1174195), (22, 960705), (30, 704517), (33, 640470), (37, 571230), (45, 469678), (55, 384282), (66, 320235), (74, 285615), (90, 234839), (99, 213490), (110, 192141), (111, 190410), (165, 128094), (185, 114246), (198, 106745), (222, 95205), (330, 64047), (333, 63470), (370, 57123), (407, 51930), (495, 42698), (555, 38082), (577, 36630), (666, 31735), (814, 25965), (990, 21349), (1110, 19041), (1154, 18315), (1221, 17310), (1665, 12694), (1731, 12210), (2035, 10386), (2442, 8655), (2885, 7326), (3330, 6347), (3462, 6105), (3663, 5770), (4070, 5193)]