21801633

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 35479296

約数和(自身を除く): 13677663

約数列:

[1, 3, 7, 17, 21, 51, 119, 173, 353, 357, 519, 1059, 1211, 2471, 2941, 3633, 6001, 7413, 8823, 18003, 20587, 42007, 61069, 61761, 126021, 183207, 427483, 1038173, 1282449, 3114519, 7267211, 21801633]

約数ペア:

[(1, 21801633), (3, 7267211), (7, 3114519), (17, 1282449), (21, 1038173), (51, 427483), (119, 183207), (173, 126021), (353, 61761), (357, 61069), (519, 42007), (1059, 20587), (1211, 18003), (2471, 8823), (2941, 7413), (3633, 6001)]