21323092

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 45360000

約数和(自身を除く): 24036908

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 149, 266, 269, 298, 532, 538, 596, 1043, 1076, 1883, 2086, 2831, 3766, 4172, 5111, 5662, 7532, 10222, 11324, 19817, 20444, 35777, 39634, 40081, 71554, 79268, 80162, 143108, 160324, 280567, 561134, 761539, 1122268, 1523078, 3046156, 5330773, 10661546, 21323092]

約数ペア:

[(1, 21323092), (2, 10661546), (4, 5330773), (7, 3046156), (14, 1523078), (19, 1122268), (28, 761539), (38, 561134), (76, 280567), (133, 160324), (149, 143108), (266, 80162), (269, 79268), (298, 71554), (532, 40081), (538, 39634), (596, 35777), (1043, 20444), (1076, 19817), (1883, 11324), (2086, 10222), (2831, 7532), (3766, 5662), (4172, 5111)]