21630952

素因数分解:

$2^3\times 7^3\times {\mathrm{7883}}^1$

素因数の和:7910

約数の個数: 32

約数和(自身を含む): 47304000

約数和(自身を除く): 25673048

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7883, 15766, 31532, 55181, 63064, 110362, 220724, 386267, 441448, 772534, 1545068, 2703869, 3090136, 5407738, 10815476, 21630952]

約数ペア:

[(1, 21630952), (2, 10815476), (4, 5407738), (7, 3090136), (8, 2703869), (14, 1545068), (28, 772534), (49, 441448), (56, 386267), (98, 220724), (196, 110362), (343, 63064), (392, 55181), (686, 31532), (1372, 15766), (2744, 7883)]