21537576

素因数分解:

$2^3\times 3^7\times {\mathrm{1231}}^1$

素因数の和:1258

約数の個数: 64

約数和(自身を含む): 60614400

約数和(自身を除く): 39076824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1231, 1458, 1944, 2187, 2462, 2916, 3693, 4374, 4924, 5832, 7386, 8748, 9848, 11079, 14772, 17496, 22158, 29544, 33237, 44316, 66474, 88632, 99711, 132948, 199422, 265896, 299133, 398844, 598266, 797688, 897399, 1196532, 1794798, 2393064, 2692197, 3589596, 5384394, 7179192, 10768788, 21537576]

約数ペア:

[(1, 21537576), (2, 10768788), (3, 7179192), (4, 5384394), (6, 3589596), (8, 2692197), (9, 2393064), (12, 1794798), (18, 1196532), (24, 897399), (27, 797688), (36, 598266), (54, 398844), (72, 299133), (81, 265896), (108, 199422), (162, 132948), (216, 99711), (243, 88632), (324, 66474), (486, 44316), (648, 33237), (729, 29544), (972, 22158), (1231, 17496), (1458, 14772), (1944, 11079), (2187, 9848), (2462, 8748), (2916, 7386), (3693, 5832), (4374, 4924)]