21246153087

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2711}}^1\times {\mathrm{4957}}^1$

素因数の和:7719

約数の個数: 32

約数和(自身を含む): 30979805184

約数和(自身を除く): 9733652097

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 2711, 4957, 8133, 14871, 46087, 84041, 84269, 138261, 153667, 252123, 252807, 461001, 1428697, 2612339, 4286091, 7837017, 13438427, 40315281, 228453259, 416591237, 685359777, 1249773711, 7082051029, 21246153087]

約数ペア:

[(1, 21246153087), (3, 7082051029), (17, 1249773711), (31, 685359777), (51, 416591237), (93, 228453259), (527, 40315281), (1581, 13438427), (2711, 7837017), (4957, 4286091), (8133, 2612339), (14871, 1428697), (46087, 461001), (84041, 252807), (84269, 252123), (138261, 153667)]