21482940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9677}}^1$

素因数の和:9726

約数の個数: 48

約数和(自身を含む): 61784352

約数和(自身を除く): 40301412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9677, 19354, 29031, 38708, 48385, 58062, 96770, 116124, 145155, 193540, 290310, 358049, 580620, 716098, 1074147, 1432196, 1790245, 2148294, 3580490, 4296588, 5370735, 7160980, 10741470, 21482940]

約数ペア:

[(1, 21482940), (2, 10741470), (3, 7160980), (4, 5370735), (5, 4296588), (6, 3580490), (10, 2148294), (12, 1790245), (15, 1432196), (20, 1074147), (30, 716098), (37, 580620), (60, 358049), (74, 290310), (111, 193540), (148, 145155), (185, 116124), (222, 96770), (370, 58062), (444, 48385), (555, 38708), (740, 29031), (1110, 19354), (2220, 9677)]