21709952

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{907}}^1$

素因数の和:949

約数の個数: 64

約数和(自身を含む): 50012640

約数和(自身を除く): 28302688

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 272, 352, 374, 544, 704, 748, 907, 1088, 1408, 1496, 1814, 2176, 2992, 3628, 5984, 7256, 9977, 11968, 14512, 15419, 19954, 23936, 29024, 30838, 39908, 58048, 61676, 79816, 116096, 123352, 159632, 169609, 246704, 319264, 339218, 493408, 638528, 678436, 986816, 1277056, 1356872, 1973632, 2713744, 5427488, 10854976, 21709952]

約数ペア:

[(1, 21709952), (2, 10854976), (4, 5427488), (8, 2713744), (11, 1973632), (16, 1356872), (17, 1277056), (22, 986816), (32, 678436), (34, 638528), (44, 493408), (64, 339218), (68, 319264), (88, 246704), (128, 169609), (136, 159632), (176, 123352), (187, 116096), (272, 79816), (352, 61676), (374, 58048), (544, 39908), (704, 30838), (748, 29024), (907, 23936), (1088, 19954), (1408, 15419), (1496, 14512), (1814, 11968), (2176, 9977), (2992, 7256), (3628, 5984)]