21041004032

素因数分解:

$2^9\times {\mathrm{797}}^1\times {\mathrm{51563}}^1$

素因数の和:52378

約数の個数: 40

約数和(自身を含む): 42094477656

約数和(自身を除く): 21053473624

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 797, 1594, 3188, 6376, 12752, 25504, 51008, 51563, 102016, 103126, 204032, 206252, 408064, 412504, 825008, 1650016, 3300032, 6600064, 13200128, 26400256, 41095711, 82191422, 164382844, 328765688, 657531376, 1315062752, 2630125504, 5260251008, 10520502016, 21041004032]

約数ペア:

[(1, 21041004032), (2, 10520502016), (4, 5260251008), (8, 2630125504), (16, 1315062752), (32, 657531376), (64, 328765688), (128, 164382844), (256, 82191422), (512, 41095711), (797, 26400256), (1594, 13200128), (3188, 6600064), (6376, 3300032), (12752, 1650016), (25504, 825008), (51008, 412504), (51563, 408064), (102016, 206252), (103126, 204032)]