21115038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{8521}}^1$

素因数の和:8592

約数の個数: 32

約数和(自身を含む): 49086720

約数和(自身を除く): 27971682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 118, 177, 354, 413, 826, 1239, 2478, 8521, 17042, 25563, 51126, 59647, 119294, 178941, 357882, 502739, 1005478, 1508217, 3016434, 3519173, 7038346, 10557519, 21115038]

約数ペア:

[(1, 21115038), (2, 10557519), (3, 7038346), (6, 3519173), (7, 3016434), (14, 1508217), (21, 1005478), (42, 502739), (59, 357882), (118, 178941), (177, 119294), (354, 59647), (413, 51126), (826, 25563), (1239, 17042), (2478, 8521)]