21429816

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{13327}}^1$

素因数の和:13403

約数の個数: 32

約数和(自身を含む): 54378240

約数和(自身を除く): 32948424

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 13327, 26654, 39981, 53308, 79962, 106616, 159924, 319848, 892909, 1785818, 2678727, 3571636, 5357454, 7143272, 10714908, 21429816]

約数ペア:

[(1, 21429816), (2, 10714908), (3, 7143272), (4, 5357454), (6, 3571636), (8, 2678727), (12, 1785818), (24, 892909), (67, 319848), (134, 159924), (201, 106616), (268, 79962), (402, 53308), (536, 39981), (804, 26654), (1608, 13327)]