21000943744

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{877379}}^1$

素因数の和:877421

約数の個数: 64

約数和(自身を含む): 48326090400

約数和(自身を除く): 27325146656

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, 1088, 1408, 1496, 2176, 2992, 5984, 11968, 23936, 877379, 1754758, 3509516, 7019032, 9651169, 14038064, 14915443, 19302338, 28076128, 29830886, 38604676, 56152256, 59661772, 77209352, 112304512, 119323544, 154418704, 164069873, 238647088, 308837408, 328139746, 477294176, 617674816, 656279492, 954588352, 1235349632, 1312558984, 1909176704, 2625117968, 5250235936, 10500471872, 21000943744]

約数ペア:

[(1, 21000943744), (2, 10500471872), (4, 5250235936), (8, 2625117968), (11, 1909176704), (16, 1312558984), (17, 1235349632), (22, 954588352), (32, 656279492), (34, 617674816), (44, 477294176), (64, 328139746), (68, 308837408), (88, 238647088), (128, 164069873), (136, 154418704), (176, 119323544), (187, 112304512), (272, 77209352), (352, 59661772), (374, 56152256), (544, 38604676), (704, 29830886), (748, 28076128), (1088, 19302338), (1408, 14915443), (1496, 14038064), (2176, 9651169), (2992, 7019032), (5984, 3509516), (11968, 1754758), (23936, 877379)]