21146138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 35414400

約数和(自身を除く): 14268262

約数列:

[1, 2, 13, 26, 61, 67, 122, 134, 199, 398, 793, 871, 1586, 1742, 2587, 4087, 5174, 8174, 12139, 13333, 24278, 26666, 53131, 106262, 157807, 173329, 315614, 346658, 813313, 1626626, 10573069, 21146138]

約数ペア:

[(1, 21146138), (2, 10573069), (13, 1626626), (26, 813313), (61, 346658), (67, 315614), (122, 173329), (134, 157807), (199, 106262), (398, 53131), (793, 26666), (871, 24278), (1586, 13333), (1742, 12139), (2587, 8174), (4087, 5174)]