21429056

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:583

約数の個数: 56

約数和(自身を含む): 47244000

約数和(自身を除く): 25814944

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 64, 88, 122, 176, 244, 352, 488, 499, 671, 704, 976, 998, 1342, 1952, 1996, 2684, 3904, 3992, 5368, 5489, 7984, 10736, 10978, 15968, 21472, 21956, 30439, 31936, 42944, 43912, 60878, 87824, 121756, 175648, 243512, 334829, 351296, 487024, 669658, 974048, 1339316, 1948096, 2678632, 5357264, 10714528, 21429056]

約数ペア:

[(1, 21429056), (2, 10714528), (4, 5357264), (8, 2678632), (11, 1948096), (16, 1339316), (22, 974048), (32, 669658), (44, 487024), (61, 351296), (64, 334829), (88, 243512), (122, 175648), (176, 121756), (244, 87824), (352, 60878), (488, 43912), (499, 42944), (671, 31936), (704, 30439), (976, 21956), (998, 21472), (1342, 15968), (1952, 10978), (1996, 10736), (2684, 7984), (3904, 5489), (3992, 5368)]