21305928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4091}}^1$

素因数の和:4138

約数の個数: 64

約数和(自身を含む): 62853120

約数和(自身を除く): 41547192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1302, 1736, 2604, 4091, 5208, 8182, 12273, 16364, 24546, 28637, 32728, 49092, 57274, 85911, 98184, 114548, 126821, 171822, 229096, 253642, 343644, 380463, 507284, 687288, 760926, 887747, 1014568, 1521852, 1775494, 2663241, 3043704, 3550988, 5326482, 7101976, 10652964, 21305928]

約数ペア:

[(1, 21305928), (2, 10652964), (3, 7101976), (4, 5326482), (6, 3550988), (7, 3043704), (8, 2663241), (12, 1775494), (14, 1521852), (21, 1014568), (24, 887747), (28, 760926), (31, 687288), (42, 507284), (56, 380463), (62, 343644), (84, 253642), (93, 229096), (124, 171822), (168, 126821), (186, 114548), (217, 98184), (248, 85911), (372, 57274), (434, 49092), (651, 32728), (744, 28637), (868, 24546), (1302, 16364), (1736, 12273), (2604, 8182), (4091, 5208)]