21997208832

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{21107}}^1$

素因数の和:21208

約数の個数: 144

約数和(自身を含む): 62128442880

約数和(自身を除く): 40131234048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 59, 64, 69, 92, 96, 118, 128, 138, 177, 184, 192, 236, 256, 276, 354, 368, 384, 472, 552, 708, 736, 768, 944, 1104, 1357, 1416, 1472, 1888, 2208, 2714, 2832, 2944, 3776, 4071, 4416, 5428, 5664, 5888, 7552, 8142, 8832, 10856, 11328, 15104, 16284, 17664, 21107, 21712, 22656, 32568, 42214, 43424, 45312, 63321, 65136, 84428, 86848, 126642, 130272, 168856, 173696, 253284, 260544, 337712, 347392, 485461, 506568, 521088, 675424, 970922, 1013136, 1042176, 1245313, 1350848, 1456383, 1941844, 2026272, 2490626, 2701696, 2912766, 3735939, 3883688, 4052544, 4981252, 5403392, 5825532, 7471878, 7767376, 8105088, 9962504, 11651064, 14943756, 15534752, 16210176, 19925008, 23302128, 28642199, 29887512, 31069504, 39850016, 46604256, 57284398, 59775024, 62139008, 79700032, 85926597, 93208512, 114568796, 119550048, 124278016, 159400064, 171853194, 186417024, 229137592, 239100096, 318800128, 343706388, 372834048, 458275184, 478200192, 687412776, 916550368, 956400384, 1374825552, 1833100736, 2749651104, 3666201472, 5499302208, 7332402944, 10998604416, 21997208832]

約数ペア:

[(1, 21997208832), (2, 10998604416), (3, 7332402944), (4, 5499302208), (6, 3666201472), (8, 2749651104), (12, 1833100736), (16, 1374825552), (23, 956400384), (24, 916550368), (32, 687412776), (46, 478200192), (48, 458275184), (59, 372834048), (64, 343706388), (69, 318800128), (92, 239100096), (96, 229137592), (118, 186417024), (128, 171853194), (138, 159400064), (177, 124278016), (184, 119550048), (192, 114568796), (236, 93208512), (256, 85926597), (276, 79700032), (354, 62139008), (368, 59775024), (384, 57284398), (472, 46604256), (552, 39850016), (708, 31069504), (736, 29887512), (768, 28642199), (944, 23302128), (1104, 19925008), (1357, 16210176), (1416, 15534752), (1472, 14943756), (1888, 11651064), (2208, 9962504), (2714, 8105088), (2832, 7767376), (2944, 7471878), (3776, 5825532), (4071, 5403392), (4416, 4981252), (5428, 4052544), (5664, 3883688), (5888, 3735939), (7552, 2912766), (8142, 2701696), (8832, 2490626), (10856, 2026272), (11328, 1941844), (15104, 1456383), (16284, 1350848), (17664, 1245313), (21107, 1042176), (21712, 1013136), (22656, 970922), (32568, 675424), (42214, 521088), (43424, 506568), (45312, 485461), (63321, 347392), (65136, 337712), (84428, 260544), (86848, 253284), (126642, 173696), (130272, 168856)]