20211504

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 58472448

約数和(自身を除く): 38260944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 47, 48, 51, 62, 68, 93, 94, 102, 124, 136, 141, 186, 188, 204, 248, 272, 282, 289, 372, 376, 408, 496, 527, 564, 578, 744, 752, 799, 816, 867, 1054, 1128, 1156, 1457, 1488, 1581, 1598, 1734, 2108, 2256, 2312, 2397, 2914, 3162, 3196, 3468, 4216, 4371, 4624, 4794, 5828, 6324, 6392, 6936, 8432, 8742, 8959, 9588, 11656, 12648, 12784, 13583, 13872, 17484, 17918, 19176, 23312, 24769, 25296, 26877, 27166, 34968, 35836, 38352, 40749, 49538, 53754, 54332, 69936, 71672, 74307, 81498, 99076, 107508, 108664, 143344, 148614, 162996, 198152, 215016, 217328, 297228, 325992, 396304, 421073, 430032, 594456, 651984, 842146, 1188912, 1263219, 1684292, 2526438, 3368584, 5052876, 6737168, 10105752, 20211504]

約数ペア:

[(1, 20211504), (2, 10105752), (3, 6737168), (4, 5052876), (6, 3368584), (8, 2526438), (12, 1684292), (16, 1263219), (17, 1188912), (24, 842146), (31, 651984), (34, 594456), (47, 430032), (48, 421073), (51, 396304), (62, 325992), (68, 297228), (93, 217328), (94, 215016), (102, 198152), (124, 162996), (136, 148614), (141, 143344), (186, 108664), (188, 107508), (204, 99076), (248, 81498), (272, 74307), (282, 71672), (289, 69936), (372, 54332), (376, 53754), (408, 49538), (496, 40749), (527, 38352), (564, 35836), (578, 34968), (744, 27166), (752, 26877), (799, 25296), (816, 24769), (867, 23312), (1054, 19176), (1128, 17918), (1156, 17484), (1457, 13872), (1488, 13583), (1581, 12784), (1598, 12648), (1734, 11656), (2108, 9588), (2256, 8959), (2312, 8742), (2397, 8432), (2914, 6936), (3162, 6392), (3196, 6324), (3468, 5828), (4216, 4794), (4371, 4624)]