21013221370

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{743}}^1\times {\mathrm{21589}}^1$

素因数の和:22470

約数の個数: 32

約数和(自身を含む): 38165592960

約数和(自身を除く): 17152371590

約数列:

[1, 2, 5, 10, 131, 262, 655, 743, 1310, 1486, 3715, 7430, 21589, 43178, 97333, 107945, 194666, 215890, 486665, 973330, 2828159, 5656318, 14140795, 16040627, 28281590, 32081254, 80203135, 160406270, 2101322137, 4202644274, 10506610685, 21013221370]

約数ペア:

[(1, 21013221370), (2, 10506610685), (5, 4202644274), (10, 2101322137), (131, 160406270), (262, 80203135), (655, 32081254), (743, 28281590), (1310, 16040627), (1486, 14140795), (3715, 5656318), (7430, 2828159), (21589, 973330), (43178, 486665), (97333, 215890), (107945, 194666)]