21758528

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1051

約数の個数: 56

約数和(自身を含む): 48670464

約数和(自身を除く): 26911936

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 176, 248, 341, 352, 496, 682, 704, 992, 997, 1364, 1984, 1994, 2728, 3988, 5456, 7976, 10912, 10967, 15952, 21824, 21934, 30907, 31904, 43868, 61814, 63808, 87736, 123628, 175472, 247256, 339977, 350944, 494512, 679954, 701888, 989024, 1359908, 1978048, 2719816, 5439632, 10879264, 21758528]

約数ペア:

[(1, 21758528), (2, 10879264), (4, 5439632), (8, 2719816), (11, 1978048), (16, 1359908), (22, 989024), (31, 701888), (32, 679954), (44, 494512), (62, 350944), (64, 339977), (88, 247256), (124, 175472), (176, 123628), (248, 87736), (341, 63808), (352, 61814), (496, 43868), (682, 31904), (704, 30907), (992, 21934), (997, 21824), (1364, 15952), (1984, 10967), (1994, 10912), (2728, 7976), (3988, 5456)]