21938928

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1123}}^1$

素因数の和:1182

約数の個数: 80

約数和(自身を含む): 63555456

約数和(自身を除く): 41616528

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 37, 44, 48, 66, 74, 88, 111, 132, 148, 176, 222, 264, 296, 407, 444, 528, 592, 814, 888, 1123, 1221, 1628, 1776, 2246, 2442, 3256, 3369, 4492, 4884, 6512, 6738, 8984, 9768, 12353, 13476, 17968, 19536, 24706, 26952, 37059, 41551, 49412, 53904, 74118, 83102, 98824, 124653, 148236, 166204, 197648, 249306, 296472, 332408, 457061, 498612, 592944, 664816, 914122, 997224, 1371183, 1828244, 1994448, 2742366, 3656488, 5484732, 7312976, 10969464, 21938928]

約数ペア:

[(1, 21938928), (2, 10969464), (3, 7312976), (4, 5484732), (6, 3656488), (8, 2742366), (11, 1994448), (12, 1828244), (16, 1371183), (22, 997224), (24, 914122), (33, 664816), (37, 592944), (44, 498612), (48, 457061), (66, 332408), (74, 296472), (88, 249306), (111, 197648), (132, 166204), (148, 148236), (176, 124653), (222, 98824), (264, 83102), (296, 74118), (407, 53904), (444, 49412), (528, 41551), (592, 37059), (814, 26952), (888, 24706), (1123, 19536), (1221, 17968), (1628, 13476), (1776, 12353), (2246, 9768), (2442, 8984), (3256, 6738), (3369, 6512), (4492, 4884)]