21000304830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{59621}}^1$

素因数の和:59889

約数の個数: 64

約数和(自身を含む): 51513408000

約数和(自身を除く): 30513103170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 199, 295, 354, 398, 590, 597, 885, 995, 1194, 1770, 1990, 2985, 5970, 11741, 23482, 35223, 58705, 59621, 70446, 117410, 119242, 176115, 178863, 298105, 352230, 357726, 596210, 894315, 1788630, 3517639, 7035278, 10552917, 11864579, 17588195, 21105834, 23729158, 35176390, 35593737, 52764585, 59322895, 71187474, 105529170, 118645790, 177968685, 355937370, 700010161, 1400020322, 2100030483, 3500050805, 4200060966, 7000101610, 10500152415, 21000304830]

約数ペア:

[(1, 21000304830), (2, 10500152415), (3, 7000101610), (5, 4200060966), (6, 3500050805), (10, 2100030483), (15, 1400020322), (30, 700010161), (59, 355937370), (118, 177968685), (177, 118645790), (199, 105529170), (295, 71187474), (354, 59322895), (398, 52764585), (590, 35593737), (597, 35176390), (885, 23729158), (995, 21105834), (1194, 17588195), (1770, 11864579), (1990, 10552917), (2985, 7035278), (5970, 3517639), (11741, 1788630), (23482, 894315), (35223, 596210), (58705, 357726), (59621, 352230), (70446, 298105), (117410, 178863), (119242, 176115)]