21741912

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 44613288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 31, 34, 36, 51, 54, 62, 68, 72, 93, 102, 108, 124, 136, 153, 186, 191, 204, 216, 248, 279, 306, 372, 382, 408, 459, 527, 558, 573, 612, 744, 764, 837, 918, 1054, 1116, 1146, 1224, 1528, 1581, 1674, 1719, 1836, 2108, 2232, 2292, 3162, 3247, 3348, 3438, 3672, 4216, 4584, 4743, 5157, 5921, 6324, 6494, 6696, 6876, 9486, 9741, 10314, 11842, 12648, 12988, 13752, 14229, 17763, 18972, 19482, 20628, 23684, 25976, 28458, 29223, 35526, 37944, 38964, 41256, 47368, 53289, 56916, 58446, 71052, 77928, 87669, 100657, 106578, 113832, 116892, 142104, 159867, 175338, 201314, 213156, 233784, 301971, 319734, 350676, 402628, 426312, 603942, 639468, 701352, 805256, 905913, 1207884, 1278936, 1811826, 2415768, 2717739, 3623652, 5435478, 7247304, 10870956, 21741912]

約数ペア:

[(1, 21741912), (2, 10870956), (3, 7247304), (4, 5435478), (6, 3623652), (8, 2717739), (9, 2415768), (12, 1811826), (17, 1278936), (18, 1207884), (24, 905913), (27, 805256), (31, 701352), (34, 639468), (36, 603942), (51, 426312), (54, 402628), (62, 350676), (68, 319734), (72, 301971), (93, 233784), (102, 213156), (108, 201314), (124, 175338), (136, 159867), (153, 142104), (186, 116892), (191, 113832), (204, 106578), (216, 100657), (248, 87669), (279, 77928), (306, 71052), (372, 58446), (382, 56916), (408, 53289), (459, 47368), (527, 41256), (558, 38964), (573, 37944), (612, 35526), (744, 29223), (764, 28458), (837, 25976), (918, 23684), (1054, 20628), (1116, 19482), (1146, 18972), (1224, 17763), (1528, 14229), (1581, 13752), (1674, 12988), (1719, 12648), (1836, 11842), (2108, 10314), (2232, 9741), (2292, 9486), (3162, 6876), (3247, 6696), (3348, 6494), (3438, 6324), (3672, 5921), (4216, 5157), (4584, 4743)]