21624648

素因数分解:

$2^3\times 3^1\times {\mathrm{409}}^1\times {\mathrm{2203}}^1$

素因数の和:2621

約数の個数: 32

約数和(自身を含む): 54218400

約数和(自身を除く): 32593752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 409, 818, 1227, 1636, 2203, 2454, 3272, 4406, 4908, 6609, 8812, 9816, 13218, 17624, 26436, 52872, 901027, 1802054, 2703081, 3604108, 5406162, 7208216, 10812324, 21624648]

約数ペア:

[(1, 21624648), (2, 10812324), (3, 7208216), (4, 5406162), (6, 3604108), (8, 2703081), (12, 1802054), (24, 901027), (409, 52872), (818, 26436), (1227, 17624), (1636, 13218), (2203, 9816), (2454, 8812), (3272, 6609), (4406, 4908)]