21000773370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{384841}}^1$

素因数の和:384975

約数の個数: 64

約数和(自身を含む): 53865565056

約数和(自身を除く): 32864791686

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 107, 170, 214, 255, 321, 510, 535, 642, 1070, 1605, 1819, 3210, 3638, 5457, 9095, 10914, 18190, 27285, 54570, 384841, 769682, 1154523, 1924205, 2309046, 3848410, 5772615, 6542297, 11545230, 13084594, 19626891, 32711485, 39253782, 41177987, 65422970, 82355974, 98134455, 123533961, 196268910, 205889935, 247067922, 411779870, 617669805, 700025779, 1235339610, 1400051558, 2100077337, 3500128895, 4200154674, 7000257790, 10500386685, 21000773370]

約数ペア:

[(1, 21000773370), (2, 10500386685), (3, 7000257790), (5, 4200154674), (6, 3500128895), (10, 2100077337), (15, 1400051558), (17, 1235339610), (30, 700025779), (34, 617669805), (51, 411779870), (85, 247067922), (102, 205889935), (107, 196268910), (170, 123533961), (214, 98134455), (255, 82355974), (321, 65422970), (510, 41177987), (535, 39253782), (642, 32711485), (1070, 19626891), (1605, 13084594), (1819, 11545230), (3210, 6542297), (3638, 5772615), (5457, 3848410), (9095, 2309046), (10914, 1924205), (18190, 1154523), (27285, 769682), (54570, 384841)]