21000659358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1693}}^1\times {\mathrm{12841}}^1$

素因数の和:14569

約数の個数: 64

約数和(自身を含む): 50122017792

約数和(自身を除く): 29121358434

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 1693, 3386, 5079, 10158, 11851, 12841, 23702, 25682, 35553, 38523, 38939, 71106, 77046, 77878, 89887, 116817, 179774, 233634, 269661, 272573, 295343, 539322, 545146, 590686, 817719, 886029, 1635438, 1772058, 2067401, 4134802, 6202203, 12404406, 21739813, 43479626, 65219439, 130438878, 152178691, 304357382, 456536073, 500015699, 913072146, 1000031398, 1500047097, 3000094194, 3500109893, 7000219786, 10500329679, 21000659358]

約数ペア:

[(1, 21000659358), (2, 10500329679), (3, 7000219786), (6, 3500109893), (7, 3000094194), (14, 1500047097), (21, 1000031398), (23, 913072146), (42, 500015699), (46, 456536073), (69, 304357382), (138, 152178691), (161, 130438878), (322, 65219439), (483, 43479626), (966, 21739813), (1693, 12404406), (3386, 6202203), (5079, 4134802), (10158, 2067401), (11851, 1772058), (12841, 1635438), (23702, 886029), (25682, 817719), (35553, 590686), (38523, 545146), (38939, 539322), (71106, 295343), (77046, 272573), (77878, 269661), (89887, 233634), (116817, 179774)]