21479835

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1867}}^1$

素因数の和:1947

約数の個数: 32

約数和(自身を含む): 37658880

約数和(自身を除く): 16179045

約数列:

[1, 3, 5, 13, 15, 39, 59, 65, 177, 195, 295, 767, 885, 1867, 2301, 3835, 5601, 9335, 11505, 24271, 28005, 72813, 110153, 121355, 330459, 364065, 550765, 1431989, 1652295, 4295967, 7159945, 21479835]

約数ペア:

[(1, 21479835), (3, 7159945), (5, 4295967), (13, 1652295), (15, 1431989), (39, 550765), (59, 364065), (65, 330459), (177, 121355), (195, 110153), (295, 72813), (767, 28005), (885, 24271), (1867, 11505), (2301, 9335), (3835, 5601)]