21433920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:372

約数の個数: 112

約数和(自身を含む): 69128640

約数和(自身を除く): 47694720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 160, 166, 192, 240, 249, 269, 320, 332, 415, 480, 498, 538, 664, 807, 830, 960, 996, 1076, 1245, 1328, 1345, 1614, 1660, 1992, 2152, 2490, 2656, 2690, 3228, 3320, 3984, 4035, 4304, 4980, 5312, 5380, 6456, 6640, 7968, 8070, 8608, 9960, 10760, 12912, 13280, 15936, 16140, 17216, 19920, 21520, 22327, 25824, 26560, 32280, 39840, 43040, 44654, 51648, 64560, 66981, 79680, 86080, 89308, 111635, 129120, 133962, 178616, 223270, 258240, 267924, 334905, 357232, 446540, 535848, 669810, 714464, 893080, 1071696, 1339620, 1428928, 1786160, 2143392, 2679240, 3572320, 4286784, 5358480, 7144640, 10716960, 21433920]

約数ペア:

[(1, 21433920), (2, 10716960), (3, 7144640), (4, 5358480), (5, 4286784), (6, 3572320), (8, 2679240), (10, 2143392), (12, 1786160), (15, 1428928), (16, 1339620), (20, 1071696), (24, 893080), (30, 714464), (32, 669810), (40, 535848), (48, 446540), (60, 357232), (64, 334905), (80, 267924), (83, 258240), (96, 223270), (120, 178616), (160, 133962), (166, 129120), (192, 111635), (240, 89308), (249, 86080), (269, 79680), (320, 66981), (332, 64560), (415, 51648), (480, 44654), (498, 43040), (538, 39840), (664, 32280), (807, 26560), (830, 25824), (960, 22327), (996, 21520), (1076, 19920), (1245, 17216), (1328, 16140), (1345, 15936), (1614, 13280), (1660, 12912), (1992, 10760), (2152, 9960), (2490, 8608), (2656, 8070), (2690, 7968), (3228, 6640), (3320, 6456), (3984, 5380), (4035, 5312), (4304, 4980)]