21493458456

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{60133}}^1$

素因数の和:60476

約数の個数: 64

約数和(自身を含む): 54943233120

約数和(自身を除く): 33449774664

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 281, 318, 424, 562, 636, 843, 1124, 1272, 1686, 2248, 3372, 6744, 14893, 29786, 44679, 59572, 60133, 89358, 119144, 120266, 178716, 180399, 240532, 357432, 360798, 481064, 721596, 1443192, 3187049, 6374098, 9561147, 12748196, 16897373, 19122294, 25496392, 33794746, 38244588, 50692119, 67589492, 76489176, 101384238, 135178984, 202768476, 405536952, 895560769, 1791121538, 2686682307, 3582243076, 5373364614, 7164486152, 10746729228, 21493458456]

約数ペア:

[(1, 21493458456), (2, 10746729228), (3, 7164486152), (4, 5373364614), (6, 3582243076), (8, 2686682307), (12, 1791121538), (24, 895560769), (53, 405536952), (106, 202768476), (159, 135178984), (212, 101384238), (281, 76489176), (318, 67589492), (424, 50692119), (562, 38244588), (636, 33794746), (843, 25496392), (1124, 19122294), (1272, 16897373), (1686, 12748196), (2248, 9561147), (3372, 6374098), (6744, 3187049), (14893, 1443192), (29786, 721596), (44679, 481064), (59572, 360798), (60133, 357432), (89358, 240532), (119144, 180399), (120266, 178716)]