21426528

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:740

約数の個数: 96

約数和(自身を含む): 62778240

約数和(自身を除く): 41351712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 32, 34, 38, 48, 51, 57, 68, 76, 96, 102, 114, 136, 152, 204, 228, 272, 304, 323, 408, 456, 544, 608, 646, 691, 816, 912, 969, 1292, 1382, 1632, 1824, 1938, 2073, 2584, 2764, 3876, 4146, 5168, 5528, 7752, 8292, 10336, 11056, 11747, 13129, 15504, 16584, 22112, 23494, 26258, 31008, 33168, 35241, 39387, 46988, 52516, 66336, 70482, 78774, 93976, 105032, 140964, 157548, 187952, 210064, 223193, 281928, 315096, 375904, 420128, 446386, 563856, 630192, 669579, 892772, 1127712, 1260384, 1339158, 1785544, 2678316, 3571088, 5356632, 7142176, 10713264, 21426528]

約数ペア:

[(1, 21426528), (2, 10713264), (3, 7142176), (4, 5356632), (6, 3571088), (8, 2678316), (12, 1785544), (16, 1339158), (17, 1260384), (19, 1127712), (24, 892772), (32, 669579), (34, 630192), (38, 563856), (48, 446386), (51, 420128), (57, 375904), (68, 315096), (76, 281928), (96, 223193), (102, 210064), (114, 187952), (136, 157548), (152, 140964), (204, 105032), (228, 93976), (272, 78774), (304, 70482), (323, 66336), (408, 52516), (456, 46988), (544, 39387), (608, 35241), (646, 33168), (691, 31008), (816, 26258), (912, 23494), (969, 22112), (1292, 16584), (1382, 15504), (1632, 13129), (1824, 11747), (1938, 11056), (2073, 10336), (2584, 8292), (2764, 7752), (3876, 5528), (4146, 5168)]