21662648

素因数分解:

$2^3\times 7^1\times {\mathrm{587}}^1\times {\mathrm{659}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 24906952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 587, 659, 1174, 1318, 2348, 2636, 4109, 4613, 4696, 5272, 8218, 9226, 16436, 18452, 32872, 36904, 386833, 773666, 1547332, 2707831, 3094664, 5415662, 10831324, 21662648]

約数ペア:

[(1, 21662648), (2, 10831324), (4, 5415662), (7, 3094664), (8, 2707831), (14, 1547332), (28, 773666), (56, 386833), (587, 36904), (659, 32872), (1174, 18452), (1318, 16436), (2348, 9226), (2636, 8218), (4109, 5272), (4613, 4696)]