21431568

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{4603}}^1$

素因数の和:4711

約数の個数: 40

約数和(自身を含む): 55947808

約数和(自身を除く): 34516240

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 194, 291, 388, 582, 776, 1164, 1552, 2328, 4603, 4656, 9206, 13809, 18412, 27618, 36824, 55236, 73648, 110472, 220944, 446491, 892982, 1339473, 1785964, 2678946, 3571928, 5357892, 7143856, 10715784, 21431568]

約数ペア:

[(1, 21431568), (2, 10715784), (3, 7143856), (4, 5357892), (6, 3571928), (8, 2678946), (12, 1785964), (16, 1339473), (24, 892982), (48, 446491), (97, 220944), (194, 110472), (291, 73648), (388, 55236), (582, 36824), (776, 27618), (1164, 18412), (1552, 13809), (2328, 9206), (4603, 4656)]