21785152648

素因数分解:

$2^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1048573}}^1$

素因数の和:1048646

約数の個数: 48

約数和(自身を含む): 48412661580

約数和(自身を除く): 26627508932

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 196, 212, 371, 392, 424, 742, 1484, 2597, 2968, 5194, 10388, 20776, 1048573, 2097146, 4194292, 7340011, 8388584, 14680022, 29360044, 51380077, 55574369, 58720088, 102760154, 111148738, 205520308, 222297476, 389020583, 411040616, 444594952, 778041166, 1556082332, 2723144081, 3112164664, 5446288162, 10892576324, 21785152648]

約数ペア:

[(1, 21785152648), (2, 10892576324), (4, 5446288162), (7, 3112164664), (8, 2723144081), (14, 1556082332), (28, 778041166), (49, 444594952), (53, 411040616), (56, 389020583), (98, 222297476), (106, 205520308), (196, 111148738), (212, 102760154), (371, 58720088), (392, 55574369), (424, 51380077), (742, 29360044), (1484, 14680022), (2597, 8388584), (2968, 7340011), (5194, 4194292), (10388, 2097146), (20776, 1048573)]