21074224

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18043}}^1$

素因数の和:18124

約数の個数: 20

約数和(自身を含む): 41392936

約数和(自身を除く): 20318712

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18043, 36086, 72172, 144344, 288688, 1317139, 2634278, 5268556, 10537112, 21074224]

約数ペア:

[(1, 21074224), (2, 10537112), (4, 5268556), (8, 2634278), (16, 1317139), (73, 288688), (146, 144344), (292, 72172), (584, 36086), (1168, 18043)]